10192 lines
158 KiB
Plaintext
10192 lines
158 KiB
Plaintext
# This set of tests is for features that are compatible with all versions of
|
||
# Perl >= 5.10, in non-UTF mode. It should run clean for the 8-bit, 16-bit, and
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# 32-bit PCRE libraries, and also using the perltest.sh script.
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# WARNING: Use only / as the pattern delimiter. Although pcre2test supports
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# a number of delimiters, all those other than / give problems with the
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# perltest.sh script.
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#forbid_utf
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#newline_default lf any anycrlf
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#perltest
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/the quick brown fox/
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the quick brown fox
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0: the quick brown fox
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What do you know about the quick brown fox?
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0: the quick brown fox
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\= Expect no match
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The quick brown FOX
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No match
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What do you know about THE QUICK BROWN FOX?
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No match
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/The quick brown fox/i
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the quick brown fox
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0: the quick brown fox
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The quick brown FOX
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0: The quick brown FOX
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What do you know about the quick brown fox?
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0: the quick brown fox
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What do you know about THE QUICK BROWN FOX?
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0: THE QUICK BROWN FOX
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/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
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abcd\t\n\r\f\a\e9;\$\\?caxyz
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0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
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/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
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abxyzpqrrrabbxyyyypqAzz
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0: abxyzpqrrrabbxyyyypqAzz
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||
abxyzpqrrrabbxyyyypqAzz
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||
0: abxyzpqrrrabbxyyyypqAzz
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||
aabxyzpqrrrabbxyyyypqAzz
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||
0: aabxyzpqrrrabbxyyyypqAzz
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||
aaabxyzpqrrrabbxyyyypqAzz
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||
0: aaabxyzpqrrrabbxyyyypqAzz
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||
aaaabxyzpqrrrabbxyyyypqAzz
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||
0: aaaabxyzpqrrrabbxyyyypqAzz
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||
abcxyzpqrrrabbxyyyypqAzz
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||
0: abcxyzpqrrrabbxyyyypqAzz
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||
aabcxyzpqrrrabbxyyyypqAzz
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||
0: aabcxyzpqrrrabbxyyyypqAzz
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||
aaabcxyzpqrrrabbxyyyypAzz
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||
0: aaabcxyzpqrrrabbxyyyypAzz
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||
aaabcxyzpqrrrabbxyyyypqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqAzz
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||
aaabcxyzpqrrrabbxyyyypqqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqqAzz
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||
aaabcxyzpqrrrabbxyyyypqqqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqqqAzz
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||
aaabcxyzpqrrrabbxyyyypqqqqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqqqqAzz
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||
aaabcxyzpqrrrabbxyyyypqqqqqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
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||
aaabcxyzpqrrrabbxyyyypqqqqqqAzz
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||
0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
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aaaabcxyzpqrrrabbxyyyypqAzz
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||
0: aaaabcxyzpqrrrabbxyyyypqAzz
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||
abxyzzpqrrrabbxyyyypqAzz
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||
0: abxyzzpqrrrabbxyyyypqAzz
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aabxyzzzpqrrrabbxyyyypqAzz
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||
0: aabxyzzzpqrrrabbxyyyypqAzz
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||
aaabxyzzzzpqrrrabbxyyyypqAzz
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||
0: aaabxyzzzzpqrrrabbxyyyypqAzz
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||
aaaabxyzzzzpqrrrabbxyyyypqAzz
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||
0: aaaabxyzzzzpqrrrabbxyyyypqAzz
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||
abcxyzzpqrrrabbxyyyypqAzz
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||
0: abcxyzzpqrrrabbxyyyypqAzz
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||
aabcxyzzzpqrrrabbxyyyypqAzz
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||
0: aabcxyzzzpqrrrabbxyyyypqAzz
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||
aaabcxyzzzzpqrrrabbxyyyypqAzz
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||
0: aaabcxyzzzzpqrrrabbxyyyypqAzz
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||
aaaabcxyzzzzpqrrrabbxyyyypqAzz
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||
0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
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||
aaaabcxyzzzzpqrrrabbbxyyyypqAzz
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||
0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
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||
aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
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||
0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
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||
aaabcxyzpqrrrabbxyyyypABzz
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||
0: aaabcxyzpqrrrabbxyyyypABzz
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aaabcxyzpqrrrabbxyyyypABBzz
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0: aaabcxyzpqrrrabbxyyyypABBzz
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>>>aaabxyzpqrrrabbxyyyypqAzz
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0: aaabxyzpqrrrabbxyyyypqAzz
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>aaaabxyzpqrrrabbxyyyypqAzz
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0: aaaabxyzpqrrrabbxyyyypqAzz
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>>>>abcxyzpqrrrabbxyyyypqAzz
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0: abcxyzpqrrrabbxyyyypqAzz
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\= Expect no match
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abxyzpqrrabbxyyyypqAzz
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No match
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||
abxyzpqrrrrabbxyyyypqAzz
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No match
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||
abxyzpqrrrabxyyyypqAzz
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||
No match
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||
aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
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||
No match
|
||
aaaabcxyzzzzpqrrrabbbxyyypqAzz
|
||
No match
|
||
aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
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||
No match
|
||
|
||
/^(abc){1,2}zz/
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||
abczz
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||
0: abczz
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||
1: abc
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||
abcabczz
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||
0: abcabczz
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||
1: abc
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||
\= Expect no match
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||
zz
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||
No match
|
||
abcabcabczz
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||
No match
|
||
>>abczz
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||
No match
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||
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||
/^(b+?|a){1,2}?c/
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||
bc
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||
0: bc
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||
1: b
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||
bbc
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||
0: bbc
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||
1: b
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||
bbbc
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||
0: bbbc
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||
1: bb
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||
bac
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||
0: bac
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||
1: a
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||
bbac
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||
0: bbac
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||
1: a
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||
aac
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||
0: aac
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||
1: a
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||
abbbbbbbbbbbc
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||
0: abbbbbbbbbbbc
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||
1: bbbbbbbbbbb
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||
bbbbbbbbbbbac
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||
0: bbbbbbbbbbbac
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||
1: a
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||
\= Expect no match
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||
aaac
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||
No match
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||
abbbbbbbbbbbac
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||
No match
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||
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||
/^(b+|a){1,2}c/
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||
bc
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||
0: bc
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||
1: b
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||
bbc
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||
0: bbc
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||
1: bb
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||
bbbc
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||
0: bbbc
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||
1: bbb
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||
bac
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||
0: bac
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||
1: a
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||
bbac
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||
0: bbac
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||
1: a
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||
aac
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||
0: aac
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||
1: a
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||
abbbbbbbbbbbc
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||
0: abbbbbbbbbbbc
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||
1: bbbbbbbbbbb
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||
bbbbbbbbbbbac
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||
0: bbbbbbbbbbbac
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||
1: a
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||
\= Expect no match
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||
aaac
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||
No match
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||
abbbbbbbbbbbac
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||
No match
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||
|
||
/^(ba|b*){1,2}?bc/
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||
babc
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||
0: babc
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||
1: ba
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||
bbabc
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||
0: bbabc
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||
1: ba
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||
bababc
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||
0: bababc
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||
1: ba
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||
\= Expect no match
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||
bababbc
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||
No match
|
||
babababc
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||
No match
|
||
|
||
/^\ca\cA\c[;\c:/
|
||
\x01\x01\e;z
|
||
0: \x01\x01\x1b;z
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||
|
||
/^[ab\]cde]/
|
||
athing
|
||
0: a
|
||
bthing
|
||
0: b
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||
]thing
|
||
0: ]
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||
cthing
|
||
0: c
|
||
dthing
|
||
0: d
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||
ething
|
||
0: e
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||
\= Expect no match
|
||
fthing
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||
No match
|
||
[thing
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||
No match
|
||
\\thing
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||
No match
|
||
|
||
/^[]cde]/
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||
]thing
|
||
0: ]
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||
cthing
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||
0: c
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||
dthing
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||
0: d
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||
ething
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||
0: e
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||
\= Expect no match
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||
athing
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||
No match
|
||
fthing
|
||
No match
|
||
|
||
/^[^ab\]cde]/
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||
fthing
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||
0: f
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||
[thing
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||
0: [
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||
\\thing
|
||
0: \
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||
\= Expect no match
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||
athing
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||
No match
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||
bthing
|
||
No match
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||
]thing
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||
No match
|
||
cthing
|
||
No match
|
||
dthing
|
||
No match
|
||
ething
|
||
No match
|
||
|
||
/^[^]cde]/
|
||
athing
|
||
0: a
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||
fthing
|
||
0: f
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||
\= Expect no match
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||
]thing
|
||
No match
|
||
cthing
|
||
No match
|
||
dthing
|
||
No match
|
||
ething
|
||
No match
|
||
|
||
/^\<5C>/
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||
<20>
|
||
0: \x81
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||
|
||
/^<5E>/
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||
<20>
|
||
0: \xff
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||
|
||
/^[0-9]+$/
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||
0
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||
0: 0
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||
1
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||
0: 1
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||
2
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||
0: 2
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||
3
|
||
0: 3
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||
4
|
||
0: 4
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||
5
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||
0: 5
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||
6
|
||
0: 6
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||
7
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||
0: 7
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||
8
|
||
0: 8
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||
9
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||
0: 9
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||
10
|
||
0: 10
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||
100
|
||
0: 100
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||
\= Expect no match
|
||
abc
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||
No match
|
||
|
||
/^.*nter/
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||
enter
|
||
0: enter
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||
inter
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||
0: inter
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||
uponter
|
||
0: uponter
|
||
|
||
/^xxx[0-9]+$/
|
||
xxx0
|
||
0: xxx0
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||
xxx1234
|
||
0: xxx1234
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||
\= Expect no match
|
||
xxx
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||
No match
|
||
|
||
/^.+[0-9][0-9][0-9]$/
|
||
x123
|
||
0: x123
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||
x1234
|
||
0: x1234
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||
xx123
|
||
0: xx123
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||
123456
|
||
0: 123456
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||
\= Expect no match
|
||
123
|
||
No match
|
||
|
||
/^.+?[0-9][0-9][0-9]$/
|
||
x123
|
||
0: x123
|
||
x1234
|
||
0: x1234
|
||
xx123
|
||
0: xx123
|
||
123456
|
||
0: 123456
|
||
\= Expect no match
|
||
123
|
||
No match
|
||
|
||
/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
|
||
abc!pqr=apquxz.ixr.zzz.ac.uk
|
||
0: abc!pqr=apquxz.ixr.zzz.ac.uk
|
||
1: abc
|
||
2: pqr
|
||
\= Expect no match
|
||
!pqr=apquxz.ixr.zzz.ac.uk
|
||
No match
|
||
abc!=apquxz.ixr.zzz.ac.uk
|
||
No match
|
||
abc!pqr=apquxz:ixr.zzz.ac.uk
|
||
No match
|
||
abc!pqr=apquxz.ixr.zzz.ac.ukk
|
||
No match
|
||
|
||
/:/
|
||
Well, we need a colon: somewhere
|
||
0: :
|
||
\= Expect no match
|
||
Fail without a colon
|
||
No match
|
||
|
||
/([\da-f:]+)$/i
|
||
0abc
|
||
0: 0abc
|
||
1: 0abc
|
||
abc
|
||
0: abc
|
||
1: abc
|
||
fed
|
||
0: fed
|
||
1: fed
|
||
E
|
||
0: E
|
||
1: E
|
||
::
|
||
0: ::
|
||
1: ::
|
||
5f03:12C0::932e
|
||
0: 5f03:12C0::932e
|
||
1: 5f03:12C0::932e
|
||
fed def
|
||
0: def
|
||
1: def
|
||
Any old stuff
|
||
0: ff
|
||
1: ff
|
||
\= Expect no match
|
||
0zzz
|
||
No match
|
||
gzzz
|
||
No match
|
||
fed\x20
|
||
No match
|
||
Any old rubbish
|
||
No match
|
||
|
||
/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
|
||
.1.2.3
|
||
0: .1.2.3
|
||
1: 1
|
||
2: 2
|
||
3: 3
|
||
A.12.123.0
|
||
0: A.12.123.0
|
||
1: 12
|
||
2: 123
|
||
3: 0
|
||
\= Expect no match
|
||
.1.2.3333
|
||
No match
|
||
1.2.3
|
||
No match
|
||
1234.2.3
|
||
No match
|
||
|
||
/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
|
||
1 IN SOA non-sp1 non-sp2(
|
||
0: 1 IN SOA non-sp1 non-sp2(
|
||
1: 1
|
||
2: non-sp1
|
||
3: non-sp2
|
||
1 IN SOA non-sp1 non-sp2 (
|
||
0: 1 IN SOA non-sp1 non-sp2 (
|
||
1: 1
|
||
2: non-sp1
|
||
3: non-sp2
|
||
\= Expect no match
|
||
1IN SOA non-sp1 non-sp2(
|
||
No match
|
||
|
||
/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
|
||
a.
|
||
0: a.
|
||
Z.
|
||
0: Z.
|
||
2.
|
||
0: 2.
|
||
ab-c.pq-r.
|
||
0: ab-c.pq-r.
|
||
1: .pq-r
|
||
sxk.zzz.ac.uk.
|
||
0: sxk.zzz.ac.uk.
|
||
1: .uk
|
||
x-.y-.
|
||
0: x-.y-.
|
||
1: .y-
|
||
\= Expect no match
|
||
-abc.peq.
|
||
No match
|
||
|
||
/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
|
||
*.a
|
||
0: *.a
|
||
*.b0-a
|
||
0: *.b0-a
|
||
1: 0-a
|
||
*.c3-b.c
|
||
0: *.c3-b.c
|
||
1: 3-b
|
||
2: .c
|
||
*.c-a.b-c
|
||
0: *.c-a.b-c
|
||
1: -a
|
||
2: .b-c
|
||
3: -c
|
||
\= Expect no match
|
||
*.0
|
||
No match
|
||
*.a-
|
||
No match
|
||
*.a-b.c-
|
||
No match
|
||
*.c-a.0-c
|
||
No match
|
||
|
||
/^(?=ab(de))(abd)(e)/
|
||
abde
|
||
0: abde
|
||
1: de
|
||
2: abd
|
||
3: e
|
||
|
||
/^(?!(ab)de|x)(abd)(f)/
|
||
abdf
|
||
0: abdf
|
||
1: <unset>
|
||
2: abd
|
||
3: f
|
||
|
||
/^(?=(ab(cd)))(ab)/
|
||
abcd
|
||
0: ab
|
||
1: abcd
|
||
2: cd
|
||
3: ab
|
||
|
||
/^[\da-f](\.[\da-f])*$/i
|
||
a.b.c.d
|
||
0: a.b.c.d
|
||
1: .d
|
||
A.B.C.D
|
||
0: A.B.C.D
|
||
1: .D
|
||
a.b.c.1.2.3.C
|
||
0: a.b.c.1.2.3.C
|
||
1: .C
|
||
|
||
/^\".*\"\s*(;.*)?$/
|
||
\"1234\"
|
||
0: "1234"
|
||
\"abcd\" ;
|
||
0: "abcd" ;
|
||
1: ;
|
||
\"\" ; rhubarb
|
||
0: "" ; rhubarb
|
||
1: ; rhubarb
|
||
\= Expect no match
|
||
\"1234\" : things
|
||
No match
|
||
|
||
/^$/
|
||
\
|
||
0:
|
||
\= Expect no match
|
||
A non-empty line
|
||
No match
|
||
|
||
/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
|
||
ab c
|
||
0: ab c
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
ab cde
|
||
No match
|
||
|
||
/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
|
||
ab c
|
||
0: ab c
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
ab cde
|
||
No match
|
||
|
||
/^ a\ b[c ]d $/x
|
||
a bcd
|
||
0: a bcd
|
||
a b d
|
||
0: a b d
|
||
\= Expect no match
|
||
abcd
|
||
No match
|
||
ab d
|
||
No match
|
||
|
||
/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
|
||
abcdefhijklm
|
||
0: abcdefhijklm
|
||
1: abc
|
||
2: bc
|
||
3: c
|
||
4: def
|
||
5: ef
|
||
6: f
|
||
7: hij
|
||
8: ij
|
||
9: j
|
||
10: klm
|
||
11: lm
|
||
12: m
|
||
|
||
/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
|
||
abcdefhijklm
|
||
0: abcdefhijklm
|
||
1: bc
|
||
2: c
|
||
3: ef
|
||
4: f
|
||
5: ij
|
||
6: j
|
||
7: lm
|
||
8: m
|
||
|
||
/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
|
||
a+ Z0+\x08\n\x1d\x12
|
||
0: a+ Z0+\x08\x0a\x1d\x12
|
||
|
||
/^[.^$|()*+?{,}]+/
|
||
.^\$(*+)|{?,?}
|
||
0: .^$(*+)|{?,?}
|
||
|
||
/^a*\w/
|
||
z
|
||
0: z
|
||
az
|
||
0: az
|
||
aaaz
|
||
0: aaaz
|
||
a
|
||
0: a
|
||
aa
|
||
0: aa
|
||
aaaa
|
||
0: aaaa
|
||
a+
|
||
0: a
|
||
aa+
|
||
0: aa
|
||
|
||
/^a*?\w/
|
||
z
|
||
0: z
|
||
az
|
||
0: a
|
||
aaaz
|
||
0: a
|
||
a
|
||
0: a
|
||
aa
|
||
0: a
|
||
aaaa
|
||
0: a
|
||
a+
|
||
0: a
|
||
aa+
|
||
0: a
|
||
|
||
/^a+\w/
|
||
az
|
||
0: az
|
||
aaaz
|
||
0: aaaz
|
||
aa
|
||
0: aa
|
||
aaaa
|
||
0: aaaa
|
||
aa+
|
||
0: aa
|
||
|
||
/^a+?\w/
|
||
az
|
||
0: az
|
||
aaaz
|
||
0: aa
|
||
aa
|
||
0: aa
|
||
aaaa
|
||
0: aa
|
||
aa+
|
||
0: aa
|
||
|
||
/^\d{8}\w{2,}/
|
||
1234567890
|
||
0: 1234567890
|
||
12345678ab
|
||
0: 12345678ab
|
||
12345678__
|
||
0: 12345678__
|
||
\= Expect no match
|
||
1234567
|
||
No match
|
||
|
||
/^[aeiou\d]{4,5}$/
|
||
uoie
|
||
0: uoie
|
||
1234
|
||
0: 1234
|
||
12345
|
||
0: 12345
|
||
aaaaa
|
||
0: aaaaa
|
||
\= Expect no match
|
||
123456
|
||
No match
|
||
|
||
/^[aeiou\d]{4,5}?/
|
||
uoie
|
||
0: uoie
|
||
1234
|
||
0: 1234
|
||
12345
|
||
0: 1234
|
||
aaaaa
|
||
0: aaaa
|
||
123456
|
||
0: 1234
|
||
|
||
/\A(abc|def)=(\1){2,3}\Z/
|
||
abc=abcabc
|
||
0: abc=abcabc
|
||
1: abc
|
||
2: abc
|
||
def=defdefdef
|
||
0: def=defdefdef
|
||
1: def
|
||
2: def
|
||
\= Expect no match
|
||
abc=defdef
|
||
No match
|
||
|
||
/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
|
||
abcdefghijkcda2
|
||
0: abcdefghijkcda2
|
||
1: a
|
||
2: b
|
||
3: c
|
||
4: d
|
||
5: e
|
||
6: f
|
||
7: g
|
||
8: h
|
||
9: i
|
||
10: j
|
||
11: k
|
||
12: cd
|
||
abcdefghijkkkkcda2
|
||
0: abcdefghijkkkkcda2
|
||
1: a
|
||
2: b
|
||
3: c
|
||
4: d
|
||
5: e
|
||
6: f
|
||
7: g
|
||
8: h
|
||
9: i
|
||
10: j
|
||
11: k
|
||
12: cd
|
||
|
||
/(cat(a(ract|tonic)|erpillar)) \1()2(3)/
|
||
cataract cataract23
|
||
0: cataract cataract23
|
||
1: cataract
|
||
2: aract
|
||
3: ract
|
||
4:
|
||
5: 3
|
||
catatonic catatonic23
|
||
0: catatonic catatonic23
|
||
1: catatonic
|
||
2: atonic
|
||
3: tonic
|
||
4:
|
||
5: 3
|
||
caterpillar caterpillar23
|
||
0: caterpillar caterpillar23
|
||
1: caterpillar
|
||
2: erpillar
|
||
3: <unset>
|
||
4:
|
||
5: 3
|
||
|
||
|
||
/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
|
||
From abcd Mon Sep 01 12:33:02 1997
|
||
0: From abcd Mon Sep 01 12:33
|
||
1: abcd
|
||
|
||
/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
|
||
From abcd Mon Sep 01 12:33:02 1997
|
||
0: From abcd Mon Sep 01 12:33
|
||
1: Sep
|
||
From abcd Mon Sep 1 12:33:02 1997
|
||
0: From abcd Mon Sep 1 12:33
|
||
1: Sep
|
||
\= Expect no match
|
||
From abcd Sep 01 12:33:02 1997
|
||
No match
|
||
|
||
/^12.34/s
|
||
12\n34
|
||
0: 12\x0a34
|
||
12\r34
|
||
0: 12\x0d34
|
||
|
||
/\w+(?=\t)/
|
||
the quick brown\t fox
|
||
0: brown
|
||
|
||
/foo(?!bar)(.*)/
|
||
foobar is foolish see?
|
||
0: foolish see?
|
||
1: lish see?
|
||
|
||
/(?:(?!foo)...|^.{0,2})bar(.*)/
|
||
foobar crowbar etc
|
||
0: rowbar etc
|
||
1: etc
|
||
barrel
|
||
0: barrel
|
||
1: rel
|
||
2barrel
|
||
0: 2barrel
|
||
1: rel
|
||
A barrel
|
||
0: A barrel
|
||
1: rel
|
||
|
||
/^(\D*)(?=\d)(?!123)/
|
||
abc456
|
||
0: abc
|
||
1: abc
|
||
\= Expect no match
|
||
abc123
|
||
No match
|
||
|
||
/^1234(?# test newlines
|
||
inside)/
|
||
1234
|
||
0: 1234
|
||
|
||
/^1234 #comment in extended re
|
||
/x
|
||
1234
|
||
0: 1234
|
||
|
||
/#rhubarb
|
||
abcd/x
|
||
abcd
|
||
0: abcd
|
||
|
||
/^abcd#rhubarb/x
|
||
abcd
|
||
0: abcd
|
||
|
||
/^(a)\1{2,3}(.)/
|
||
aaab
|
||
0: aaab
|
||
1: a
|
||
2: b
|
||
aaaab
|
||
0: aaaab
|
||
1: a
|
||
2: b
|
||
aaaaab
|
||
0: aaaaa
|
||
1: a
|
||
2: a
|
||
aaaaaab
|
||
0: aaaaa
|
||
1: a
|
||
2: a
|
||
|
||
/(?!^)abc/
|
||
the abc
|
||
0: abc
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/(?=^)abc/
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
the abc
|
||
No match
|
||
|
||
/^[ab]{1,3}(ab*|b)/
|
||
aabbbbb
|
||
0: aabb
|
||
1: b
|
||
|
||
/^[ab]{1,3}?(ab*|b)/
|
||
aabbbbb
|
||
0: aabbbbb
|
||
1: abbbbb
|
||
|
||
/^[ab]{1,3}?(ab*?|b)/
|
||
aabbbbb
|
||
0: aa
|
||
1: a
|
||
|
||
/^[ab]{1,3}(ab*?|b)/
|
||
aabbbbb
|
||
0: aabb
|
||
1: b
|
||
|
||
/ (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* # optional leading comment
|
||
(?: (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
) # initial word
|
||
(?: (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
) )* # further okay, if led by a period
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* @ (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # initial subdomain
|
||
(?: #
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. # if led by a period...
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # ...further okay
|
||
)*
|
||
# address
|
||
| # or
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
) # one word, optionally followed by....
|
||
(?:
|
||
[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or...
|
||
\(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) | # comments, or...
|
||
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
# quoted strings
|
||
)*
|
||
< (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* # leading <
|
||
(?: @ (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # initial subdomain
|
||
(?: #
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. # if led by a period...
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # ...further okay
|
||
)*
|
||
|
||
(?: (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* , (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* @ (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # initial subdomain
|
||
(?: #
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. # if led by a period...
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # ...further okay
|
||
)*
|
||
)* # further okay, if led by comma
|
||
: # closing colon
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* )? # optional route
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
) # initial word
|
||
(?: (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
" (?: # opening quote...
|
||
[^\\\x80-\xff\n\015"] # Anything except backslash and quote
|
||
| # or
|
||
\\ [^\x80-\xff] # Escaped something (something != CR)
|
||
)* " # closing quote
|
||
) )* # further okay, if led by a period
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* @ (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # initial subdomain
|
||
(?: #
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* \. # if led by a period...
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* (?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
| \[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
) # ...further okay
|
||
)*
|
||
# address spec
|
||
(?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* > # trailing >
|
||
# name and address
|
||
) (?: [\040\t] | \(
|
||
(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
|
||
\) )* # optional trailing comment
|
||
/x
|
||
Alan Other <user\@dom.ain>
|
||
0: Alan Other <user@dom.ain>
|
||
<user\@dom.ain>
|
||
0: user@dom.ain
|
||
user\@dom.ain
|
||
0: user@dom.ain
|
||
\"A. Other\" <user.1234\@dom.ain> (a comment)
|
||
0: "A. Other" <user.1234@dom.ain> (a comment)
|
||
A. Other <user.1234\@dom.ain> (a comment)
|
||
0: Other <user.1234@dom.ain> (a comment)
|
||
\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
|
||
0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
|
||
A missing angle <user\@some.where
|
||
0: user@some.where
|
||
\= Expect no match
|
||
The quick brown fox
|
||
No match
|
||
|
||
/[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional leading comment
|
||
(?:
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
# Atom
|
||
| # or
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
# Quoted string
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
# Atom
|
||
| # or
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
# Quoted string
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# additional words
|
||
)*
|
||
@
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
)*
|
||
# address
|
||
| # or
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
# Atom
|
||
| # or
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
# Quoted string
|
||
)
|
||
# leading word
|
||
[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces
|
||
(?:
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
|
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
) # "special" comment or quoted string
|
||
[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal"
|
||
)*
|
||
<
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# <
|
||
(?:
|
||
@
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
)*
|
||
(?: ,
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
@
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
)*
|
||
)* # additional domains
|
||
:
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
)? # optional route
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
# Atom
|
||
| # or
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
# Quoted string
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
# Atom
|
||
| # or
|
||
" # "
|
||
[^\\\x80-\xff\n\015"] * # normal
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
|
||
" # "
|
||
# Quoted string
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# additional words
|
||
)*
|
||
@
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
(?:
|
||
\.
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
(?:
|
||
[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
|
||
(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
|
||
|
|
||
\[ # [
|
||
(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
|
||
\] # ]
|
||
)
|
||
[\040\t]* # Nab whitespace.
|
||
(?:
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: # (
|
||
(?: \\ [^\x80-\xff] |
|
||
\( # (
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
|
||
\) # )
|
||
) # special
|
||
[^\\\x80-\xff\n\015()] * # normal*
|
||
)* # )*
|
||
\) # )
|
||
[\040\t]* )* # If comment found, allow more spaces.
|
||
# optional trailing comments
|
||
)*
|
||
# address spec
|
||
> # >
|
||
# name and address
|
||
)
|
||
/x
|
||
Alan Other <user\@dom.ain>
|
||
0: Alan Other <user@dom.ain>
|
||
<user\@dom.ain>
|
||
0: user@dom.ain
|
||
user\@dom.ain
|
||
0: user@dom.ain
|
||
\"A. Other\" <user.1234\@dom.ain> (a comment)
|
||
0: "A. Other" <user.1234@dom.ain>
|
||
A. Other <user.1234\@dom.ain> (a comment)
|
||
0: Other <user.1234@dom.ain>
|
||
\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
|
||
0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
|
||
A missing angle <user\@some.where
|
||
0: user@some.where
|
||
\= Expect no match
|
||
The quick brown fox
|
||
No match
|
||
|
||
/abc\0def\00pqr\000xyz\0000AB/
|
||
abc\0def\00pqr\000xyz\0000AB
|
||
0: abc\x00def\x00pqr\x00xyz\x000AB
|
||
abc456 abc\0def\00pqr\000xyz\0000ABCDE
|
||
0: abc\x00def\x00pqr\x00xyz\x000AB
|
||
|
||
/abc\x0def\x00pqr\x000xyz\x0000AB/
|
||
abc\x0def\x00pqr\x000xyz\x0000AB
|
||
0: abc\x0def\x00pqr\x000xyz\x0000AB
|
||
abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
|
||
0: abc\x0def\x00pqr\x000xyz\x0000AB
|
||
|
||
/^[\000-\037]/
|
||
\0A
|
||
0: \x00
|
||
\01B
|
||
0: \x01
|
||
\037C
|
||
0: \x1f
|
||
|
||
/\0*/
|
||
\0\0\0\0
|
||
0: \x00\x00\x00\x00
|
||
|
||
/A\x0{2,3}Z/
|
||
The A\x0\x0Z
|
||
0: A\x00\x00Z
|
||
An A\0\x0\0Z
|
||
0: A\x00\x00\x00Z
|
||
\= Expect no match
|
||
A\0Z
|
||
No match
|
||
A\0\x0\0\x0Z
|
||
No match
|
||
|
||
/^(cow|)\1(bell)/
|
||
cowcowbell
|
||
0: cowcowbell
|
||
1: cow
|
||
2: bell
|
||
bell
|
||
0: bell
|
||
1:
|
||
2: bell
|
||
\= Expect no match
|
||
cowbell
|
||
No match
|
||
|
||
/^\s/
|
||
\040abc
|
||
0:
|
||
\x0cabc
|
||
0: \x0c
|
||
\nabc
|
||
0: \x0a
|
||
\rabc
|
||
0: \x0d
|
||
\tabc
|
||
0: \x09
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/^a b
|
||
c/x
|
||
abc
|
||
0: abc
|
||
|
||
/^(a|)\1*b/
|
||
ab
|
||
0: ab
|
||
1: a
|
||
aaaab
|
||
0: aaaab
|
||
1: a
|
||
b
|
||
0: b
|
||
1:
|
||
\= Expect no match
|
||
acb
|
||
No match
|
||
|
||
/^(a|)\1+b/
|
||
aab
|
||
0: aab
|
||
1: a
|
||
aaaab
|
||
0: aaaab
|
||
1: a
|
||
b
|
||
0: b
|
||
1:
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
|
||
/^(a|)\1?b/
|
||
ab
|
||
0: ab
|
||
1: a
|
||
aab
|
||
0: aab
|
||
1: a
|
||
b
|
||
0: b
|
||
1:
|
||
\= Expect no match
|
||
acb
|
||
No match
|
||
|
||
/^(a|)\1{2}b/
|
||
aaab
|
||
0: aaab
|
||
1: a
|
||
b
|
||
0: b
|
||
1:
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
aab
|
||
No match
|
||
aaaab
|
||
No match
|
||
|
||
/^(a|)\1{2,3}b/
|
||
aaab
|
||
0: aaab
|
||
1: a
|
||
aaaab
|
||
0: aaaab
|
||
1: a
|
||
b
|
||
0: b
|
||
1:
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
aab
|
||
No match
|
||
aaaaab
|
||
No match
|
||
|
||
/ab{1,3}bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
abbbc
|
||
0: abbbc
|
||
abbc
|
||
0: abbc
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
abbbbbc
|
||
No match
|
||
|
||
/([^.]*)\.([^:]*):[T ]+(.*)/
|
||
track1.title:TBlah blah blah
|
||
0: track1.title:TBlah blah blah
|
||
1: track1
|
||
2: title
|
||
3: Blah blah blah
|
||
|
||
/([^.]*)\.([^:]*):[T ]+(.*)/i
|
||
track1.title:TBlah blah blah
|
||
0: track1.title:TBlah blah blah
|
||
1: track1
|
||
2: title
|
||
3: Blah blah blah
|
||
|
||
/([^.]*)\.([^:]*):[t ]+(.*)/i
|
||
track1.title:TBlah blah blah
|
||
0: track1.title:TBlah blah blah
|
||
1: track1
|
||
2: title
|
||
3: Blah blah blah
|
||
|
||
/^[W-c]+$/
|
||
WXY_^abc
|
||
0: WXY_^abc
|
||
\= Expect no match
|
||
wxy
|
||
No match
|
||
|
||
/^[W-c]+$/i
|
||
WXY_^abc
|
||
0: WXY_^abc
|
||
wxy_^ABC
|
||
0: wxy_^ABC
|
||
|
||
/^[\x3f-\x5F]+$/i
|
||
WXY_^abc
|
||
0: WXY_^abc
|
||
wxy_^ABC
|
||
0: wxy_^ABC
|
||
|
||
/^abc$/m
|
||
abc
|
||
0: abc
|
||
qqq\nabc
|
||
0: abc
|
||
abc\nzzz
|
||
0: abc
|
||
qqq\nabc\nzzz
|
||
0: abc
|
||
|
||
/^abc$/
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
qqq\nabc
|
||
No match
|
||
abc\nzzz
|
||
No match
|
||
qqq\nabc\nzzz
|
||
No match
|
||
|
||
/\Aabc\Z/m
|
||
abc
|
||
0: abc
|
||
abc\n
|
||
0: abc
|
||
\= Expect no match
|
||
qqq\nabc
|
||
No match
|
||
abc\nzzz
|
||
No match
|
||
qqq\nabc\nzzz
|
||
No match
|
||
|
||
/\A(.)*\Z/s
|
||
abc\ndef
|
||
0: abc\x0adef
|
||
1: f
|
||
|
||
/\A(.)*\Z/m
|
||
\= Expect no match
|
||
abc\ndef
|
||
No match
|
||
|
||
/(?:b)|(?::+)/
|
||
b::c
|
||
0: b
|
||
c::b
|
||
0: ::
|
||
|
||
/[-az]+/
|
||
az-
|
||
0: az-
|
||
\= Expect no match
|
||
b
|
||
No match
|
||
|
||
/[az-]+/
|
||
za-
|
||
0: za-
|
||
\= Expect no match
|
||
b
|
||
No match
|
||
|
||
/[a\-z]+/
|
||
a-z
|
||
0: a-z
|
||
\= Expect no match
|
||
b
|
||
No match
|
||
|
||
/[a-z]+/
|
||
abcdxyz
|
||
0: abcdxyz
|
||
|
||
/[\d-]+/
|
||
12-34
|
||
0: 12-34
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/\x5c/
|
||
\\
|
||
0: \
|
||
|
||
/\x20Z/
|
||
the Zoo
|
||
0: Z
|
||
\= Expect no match
|
||
Zulu
|
||
No match
|
||
|
||
/(abc)\1/i
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
ABCabc
|
||
0: ABCabc
|
||
1: ABC
|
||
abcABC
|
||
0: abcABC
|
||
1: abc
|
||
|
||
/abc$/
|
||
abc
|
||
0: abc
|
||
abc\n
|
||
0: abc
|
||
\= Expect no match
|
||
abc\ndef
|
||
No match
|
||
|
||
/(abc)\123/
|
||
abc\x53
|
||
0: abcS
|
||
1: abc
|
||
|
||
/(abc)\223/
|
||
abc\x93
|
||
0: abc\x93
|
||
1: abc
|
||
|
||
/(abc)\323/
|
||
abc\xd3
|
||
0: abc\xd3
|
||
1: abc
|
||
|
||
/(abc)\100/
|
||
abc\x40
|
||
0: abc@
|
||
1: abc
|
||
abc\100
|
||
0: abc@
|
||
1: abc
|
||
|
||
/(abc)\1000/
|
||
abc\x400
|
||
0: abc@0
|
||
1: abc
|
||
abc\x40\x30
|
||
0: abc@0
|
||
1: abc
|
||
abc\1000
|
||
0: abc@0
|
||
1: abc
|
||
abc\100\x30
|
||
0: abc@0
|
||
1: abc
|
||
abc\100\060
|
||
0: abc@0
|
||
1: abc
|
||
abc\100\60
|
||
0: abc@0
|
||
1: abc
|
||
|
||
/^(A)(B)(C)(D)(E)(F)(G)(H)(I)\8\9$/
|
||
ABCDEFGHIHI
|
||
0: ABCDEFGHIHI
|
||
1: A
|
||
2: B
|
||
3: C
|
||
4: D
|
||
5: E
|
||
6: F
|
||
7: G
|
||
8: H
|
||
9: I
|
||
|
||
/^[A\8B\9C]+$/
|
||
A8B9C
|
||
0: A8B9C
|
||
\= Expect no match
|
||
A8B9C\x00
|
||
No match
|
||
|
||
/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/
|
||
abcdefghijkllS
|
||
0: abcdefghijkllS
|
||
1: a
|
||
2: b
|
||
3: c
|
||
4: d
|
||
5: e
|
||
6: f
|
||
7: g
|
||
8: h
|
||
9: i
|
||
10: j
|
||
11: k
|
||
12: l
|
||
|
||
/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
|
||
abcdefghijk\12S
|
||
0: abcdefghijk\x0aS
|
||
1: a
|
||
2: b
|
||
3: c
|
||
4: d
|
||
5: e
|
||
6: f
|
||
7: g
|
||
8: h
|
||
9: i
|
||
10: j
|
||
11: k
|
||
|
||
/a{0}bc/
|
||
bc
|
||
0: bc
|
||
|
||
/(a|(bc)){0,0}?xyz/
|
||
xyz
|
||
0: xyz
|
||
|
||
/abc[\10]de/
|
||
abc\010de
|
||
0: abc\x08de
|
||
|
||
/abc[\1]de/
|
||
abc\1de
|
||
0: abc\x01de
|
||
|
||
/(abc)[\1]de/
|
||
abc\1de
|
||
0: abc\x01de
|
||
1: abc
|
||
|
||
/(?s)a.b/
|
||
a\nb
|
||
0: a\x0ab
|
||
|
||
/^([^a])([^\b])([^c]*)([^d]{3,4})/
|
||
baNOTccccd
|
||
0: baNOTcccc
|
||
1: b
|
||
2: a
|
||
3: NOT
|
||
4: cccc
|
||
baNOTcccd
|
||
0: baNOTccc
|
||
1: b
|
||
2: a
|
||
3: NOT
|
||
4: ccc
|
||
baNOTccd
|
||
0: baNOTcc
|
||
1: b
|
||
2: a
|
||
3: NO
|
||
4: Tcc
|
||
bacccd
|
||
0: baccc
|
||
1: b
|
||
2: a
|
||
3:
|
||
4: ccc
|
||
\= Expect no match
|
||
anything
|
||
No match
|
||
b\bc
|
||
No match
|
||
baccd
|
||
No match
|
||
|
||
/[^a]/
|
||
Abc
|
||
0: A
|
||
|
||
/[^a]/i
|
||
Abc
|
||
0: b
|
||
|
||
/[^a]+/
|
||
AAAaAbc
|
||
0: AAA
|
||
|
||
/[^a]+/i
|
||
AAAaAbc
|
||
0: bc
|
||
|
||
/[^a]+/
|
||
bbb\nccc
|
||
0: bbb\x0accc
|
||
|
||
/[^k]$/
|
||
abc
|
||
0: c
|
||
\= Expect no match
|
||
abk
|
||
No match
|
||
|
||
/[^k]{2,3}$/
|
||
abc
|
||
0: abc
|
||
kbc
|
||
0: bc
|
||
kabc
|
||
0: abc
|
||
\= Expect no match
|
||
abk
|
||
No match
|
||
akb
|
||
No match
|
||
akk
|
||
No match
|
||
|
||
/^\d{8,}\@.+[^k]$/
|
||
12345678\@a.b.c.d
|
||
0: 12345678@a.b.c.d
|
||
123456789\@x.y.z
|
||
0: 123456789@x.y.z
|
||
\= Expect no match
|
||
12345678\@x.y.uk
|
||
No match
|
||
1234567\@a.b.c.d
|
||
No match
|
||
|
||
/(a)\1{8,}/
|
||
aaaaaaaaa
|
||
0: aaaaaaaaa
|
||
1: a
|
||
aaaaaaaaaa
|
||
0: aaaaaaaaaa
|
||
1: a
|
||
\= Expect no match
|
||
aaaaaaa
|
||
No match
|
||
|
||
/[^a]/
|
||
aaaabcd
|
||
0: b
|
||
aaAabcd
|
||
0: A
|
||
|
||
/[^a]/i
|
||
aaaabcd
|
||
0: b
|
||
aaAabcd
|
||
0: b
|
||
|
||
/[^az]/
|
||
aaaabcd
|
||
0: b
|
||
aaAabcd
|
||
0: A
|
||
|
||
/[^az]/i
|
||
aaaabcd
|
||
0: b
|
||
aaAabcd
|
||
0: b
|
||
|
||
/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
|
||
\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
|
||
0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
|
||
|
||
/P[^*]TAIRE[^*]{1,6}?LL/
|
||
xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
|
||
0: PSTAIREISLL
|
||
|
||
/P[^*]TAIRE[^*]{1,}?LL/
|
||
xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
|
||
0: PSTAIREISLL
|
||
|
||
/(\.\d\d[1-9]?)\d+/
|
||
1.230003938
|
||
0: .230003938
|
||
1: .23
|
||
1.875000282
|
||
0: .875000282
|
||
1: .875
|
||
1.235
|
||
0: .235
|
||
1: .23
|
||
|
||
/(\.\d\d((?=0)|\d(?=\d)))/
|
||
1.230003938
|
||
0: .23
|
||
1: .23
|
||
2:
|
||
1.875000282
|
||
0: .875
|
||
1: .875
|
||
2: 5
|
||
\= Expect no match
|
||
1.235
|
||
No match
|
||
|
||
/a(?)b/
|
||
ab
|
||
0: ab
|
||
|
||
/\b(foo)\s+(\w+)/i
|
||
Food is on the foo table
|
||
0: foo table
|
||
1: foo
|
||
2: table
|
||
|
||
/foo(.*)bar/
|
||
The food is under the bar in the barn.
|
||
0: food is under the bar in the bar
|
||
1: d is under the bar in the
|
||
|
||
/foo(.*?)bar/
|
||
The food is under the bar in the barn.
|
||
0: food is under the bar
|
||
1: d is under the
|
||
|
||
/(.*)(\d*)/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers: 53147
|
||
2:
|
||
|
||
/(.*)(\d+)/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers: 5314
|
||
2: 7
|
||
|
||
/(.*?)(\d*)/
|
||
I have 2 numbers: 53147
|
||
0:
|
||
1:
|
||
2:
|
||
|
||
/(.*?)(\d+)/
|
||
I have 2 numbers: 53147
|
||
0: I have 2
|
||
1: I have
|
||
2: 2
|
||
|
||
/(.*)(\d+)$/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers: 5314
|
||
2: 7
|
||
|
||
/(.*?)(\d+)$/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers:
|
||
2: 53147
|
||
|
||
/(.*)\b(\d+)$/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers:
|
||
2: 53147
|
||
|
||
/(.*\D)(\d+)$/
|
||
I have 2 numbers: 53147
|
||
0: I have 2 numbers: 53147
|
||
1: I have 2 numbers:
|
||
2: 53147
|
||
|
||
/^\D*(?!123)/
|
||
ABC123
|
||
0: AB
|
||
|
||
/^(\D*)(?=\d)(?!123)/
|
||
ABC445
|
||
0: ABC
|
||
1: ABC
|
||
\= Expect no match
|
||
ABC123
|
||
No match
|
||
|
||
/^[W-]46]/
|
||
W46]789
|
||
0: W46]
|
||
-46]789
|
||
0: -46]
|
||
\= Expect no match
|
||
Wall
|
||
No match
|
||
Zebra
|
||
No match
|
||
42
|
||
No match
|
||
[abcd]
|
||
No match
|
||
]abcd[
|
||
No match
|
||
|
||
/^[W-\]46]/
|
||
W46]789
|
||
0: W
|
||
Wall
|
||
0: W
|
||
Zebra
|
||
0: Z
|
||
Xylophone
|
||
0: X
|
||
42
|
||
0: 4
|
||
[abcd]
|
||
0: [
|
||
]abcd[
|
||
0: ]
|
||
\\backslash
|
||
0: \
|
||
\= Expect no match
|
||
-46]789
|
||
No match
|
||
well
|
||
No match
|
||
|
||
/\d\d\/\d\d\/\d\d\d\d/
|
||
01/01/2000
|
||
0: 01/01/2000
|
||
|
||
/word (?:[a-zA-Z0-9]+ ){0,10}otherword/
|
||
word cat dog elephant mussel cow horse canary baboon snake shark otherword
|
||
0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
|
||
\= Expect no match
|
||
word cat dog elephant mussel cow horse canary baboon snake shark
|
||
No match
|
||
|
||
/word (?:[a-zA-Z0-9]+ ){0,300}otherword/
|
||
\= Expect no match
|
||
word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
|
||
No match
|
||
|
||
/^(a){0,0}/
|
||
bcd
|
||
0:
|
||
abc
|
||
0:
|
||
aab
|
||
0:
|
||
|
||
/^(a){0,1}/
|
||
bcd
|
||
0:
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: a
|
||
1: a
|
||
|
||
/^(a){0,2}/
|
||
bcd
|
||
0:
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
|
||
/^(a){0,3}/
|
||
bcd
|
||
0:
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
|
||
/^(a){0,}/
|
||
bcd
|
||
0:
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
aaaaaaaa
|
||
0: aaaaaaaa
|
||
1: a
|
||
|
||
/^(a){1,1}/
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: a
|
||
1: a
|
||
\= Expect no match
|
||
bcd
|
||
No match
|
||
|
||
/^(a){1,2}/
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
\= Expect no match
|
||
bcd
|
||
No match
|
||
|
||
/^(a){1,3}/
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
\= Expect no match
|
||
bcd
|
||
No match
|
||
|
||
/^(a){1,}/
|
||
abc
|
||
0: a
|
||
1: a
|
||
aab
|
||
0: aa
|
||
1: a
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
aaaaaaaa
|
||
0: aaaaaaaa
|
||
1: a
|
||
\= Expect no match
|
||
bcd
|
||
No match
|
||
|
||
/.*\.gif/
|
||
borfle\nbib.gif\nno
|
||
0: bib.gif
|
||
|
||
/.{0,}\.gif/
|
||
borfle\nbib.gif\nno
|
||
0: bib.gif
|
||
|
||
/.*\.gif/m
|
||
borfle\nbib.gif\nno
|
||
0: bib.gif
|
||
|
||
/.*\.gif/s
|
||
borfle\nbib.gif\nno
|
||
0: borfle\x0abib.gif
|
||
|
||
/.*\.gif/ms
|
||
borfle\nbib.gif\nno
|
||
0: borfle\x0abib.gif
|
||
|
||
/.*$/
|
||
borfle\nbib.gif\nno
|
||
0: no
|
||
|
||
/.*$/m
|
||
borfle\nbib.gif\nno
|
||
0: borfle
|
||
|
||
/.*$/s
|
||
borfle\nbib.gif\nno
|
||
0: borfle\x0abib.gif\x0ano
|
||
|
||
/.*$/ms
|
||
borfle\nbib.gif\nno
|
||
0: borfle\x0abib.gif\x0ano
|
||
|
||
/.*$/
|
||
borfle\nbib.gif\nno\n
|
||
0: no
|
||
|
||
/.*$/m
|
||
borfle\nbib.gif\nno\n
|
||
0: borfle
|
||
|
||
/.*$/s
|
||
borfle\nbib.gif\nno\n
|
||
0: borfle\x0abib.gif\x0ano\x0a
|
||
|
||
/.*$/ms
|
||
borfle\nbib.gif\nno\n
|
||
0: borfle\x0abib.gif\x0ano\x0a
|
||
|
||
/(.*X|^B)/
|
||
abcde\n1234Xyz
|
||
0: 1234X
|
||
1: 1234X
|
||
BarFoo
|
||
0: B
|
||
1: B
|
||
\= Expect no match
|
||
abcde\nBar
|
||
No match
|
||
|
||
/(.*X|^B)/m
|
||
abcde\n1234Xyz
|
||
0: 1234X
|
||
1: 1234X
|
||
BarFoo
|
||
0: B
|
||
1: B
|
||
abcde\nBar
|
||
0: B
|
||
1: B
|
||
|
||
/(.*X|^B)/s
|
||
abcde\n1234Xyz
|
||
0: abcde\x0a1234X
|
||
1: abcde\x0a1234X
|
||
BarFoo
|
||
0: B
|
||
1: B
|
||
\= Expect no match
|
||
abcde\nBar
|
||
No match
|
||
|
||
/(.*X|^B)/ms
|
||
abcde\n1234Xyz
|
||
0: abcde\x0a1234X
|
||
1: abcde\x0a1234X
|
||
BarFoo
|
||
0: B
|
||
1: B
|
||
abcde\nBar
|
||
0: B
|
||
1: B
|
||
|
||
/(?s)(.*X|^B)/
|
||
abcde\n1234Xyz
|
||
0: abcde\x0a1234X
|
||
1: abcde\x0a1234X
|
||
BarFoo
|
||
0: B
|
||
1: B
|
||
\= Expect no match
|
||
abcde\nBar
|
||
No match
|
||
|
||
/(?s:.*X|^B)/
|
||
abcde\n1234Xyz
|
||
0: abcde\x0a1234X
|
||
BarFoo
|
||
0: B
|
||
\= Expect no match
|
||
abcde\nBar
|
||
No match
|
||
|
||
/^.*B/
|
||
\= Expect no match
|
||
abc\nB
|
||
No match
|
||
|
||
/(?s)^.*B/
|
||
abc\nB
|
||
0: abc\x0aB
|
||
|
||
/(?m)^.*B/
|
||
abc\nB
|
||
0: B
|
||
|
||
/(?ms)^.*B/
|
||
abc\nB
|
||
0: abc\x0aB
|
||
|
||
/(?ms)^B/
|
||
abc\nB
|
||
0: B
|
||
|
||
/(?s)B$/
|
||
B\n
|
||
0: B
|
||
|
||
/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
|
||
123456654321
|
||
0: 123456654321
|
||
|
||
/^\d\d\d\d\d\d\d\d\d\d\d\d/
|
||
123456654321
|
||
0: 123456654321
|
||
|
||
/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
|
||
123456654321
|
||
0: 123456654321
|
||
|
||
/^[abc]{12}/
|
||
abcabcabcabc
|
||
0: abcabcabcabc
|
||
|
||
/^[a-c]{12}/
|
||
abcabcabcabc
|
||
0: abcabcabcabc
|
||
|
||
/^(a|b|c){12}/
|
||
abcabcabcabc
|
||
0: abcabcabcabc
|
||
1: c
|
||
|
||
/^[abcdefghijklmnopqrstuvwxy0123456789]/
|
||
n
|
||
0: n
|
||
\= Expect no match
|
||
z
|
||
No match
|
||
|
||
/abcde{0,0}/
|
||
abcd
|
||
0: abcd
|
||
\= Expect no match
|
||
abce
|
||
No match
|
||
|
||
/ab[cd]{0,0}e/
|
||
abe
|
||
0: abe
|
||
\= Expect no match
|
||
abcde
|
||
No match
|
||
|
||
/ab(c){0,0}d/
|
||
abd
|
||
0: abd
|
||
\= Expect no match
|
||
abcd
|
||
No match
|
||
|
||
/a(b*)/
|
||
a
|
||
0: a
|
||
1:
|
||
ab
|
||
0: ab
|
||
1: b
|
||
abbbb
|
||
0: abbbb
|
||
1: bbbb
|
||
\= Expect no match
|
||
bbbbb
|
||
No match
|
||
|
||
/ab\d{0}e/
|
||
abe
|
||
0: abe
|
||
\= Expect no match
|
||
ab1e
|
||
No match
|
||
|
||
/"([^\\"]+|\\.)*"/
|
||
the \"quick\" brown fox
|
||
0: "quick"
|
||
1: quick
|
||
\"the \\\"quick\\\" brown fox\"
|
||
0: "the \"quick\" brown fox"
|
||
1: brown fox
|
||
|
||
/.*?/g,aftertext
|
||
abc
|
||
0:
|
||
0+ abc
|
||
0: a
|
||
0+ bc
|
||
0:
|
||
0+ bc
|
||
0: b
|
||
0+ c
|
||
0:
|
||
0+ c
|
||
0: c
|
||
0+
|
||
0:
|
||
0+
|
||
|
||
/\b/g,aftertext
|
||
abc
|
||
0:
|
||
0+ abc
|
||
0:
|
||
0+
|
||
|
||
/\b/g,aftertext
|
||
abc
|
||
0:
|
||
0+ abc
|
||
0:
|
||
0+
|
||
|
||
//g
|
||
abc
|
||
0:
|
||
0:
|
||
0:
|
||
0:
|
||
|
||
/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
|
||
<TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
|
||
0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
|
||
1: BGCOLOR='#DBE9E9'
|
||
2: align=left valign=top
|
||
3: 43.
|
||
4: <a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)
|
||
5:
|
||
6:
|
||
7: <unset>
|
||
8: align=left valign=top
|
||
9: Lega lstaff.com
|
||
10: align=left valign=top
|
||
11: CA - Statewide
|
||
|
||
/a[^a]b/
|
||
acb
|
||
0: acb
|
||
a\nb
|
||
0: a\x0ab
|
||
|
||
/a.b/
|
||
acb
|
||
0: acb
|
||
\= Expect no match
|
||
a\nb
|
||
No match
|
||
|
||
/a[^a]b/s
|
||
acb
|
||
0: acb
|
||
a\nb
|
||
0: a\x0ab
|
||
|
||
/a.b/s
|
||
acb
|
||
0: acb
|
||
a\nb
|
||
0: a\x0ab
|
||
|
||
/^(b+?|a){1,2}?c/
|
||
bac
|
||
0: bac
|
||
1: a
|
||
bbac
|
||
0: bbac
|
||
1: a
|
||
bbbac
|
||
0: bbbac
|
||
1: a
|
||
bbbbac
|
||
0: bbbbac
|
||
1: a
|
||
bbbbbac
|
||
0: bbbbbac
|
||
1: a
|
||
|
||
/^(b+|a){1,2}?c/
|
||
bac
|
||
0: bac
|
||
1: a
|
||
bbac
|
||
0: bbac
|
||
1: a
|
||
bbbac
|
||
0: bbbac
|
||
1: a
|
||
bbbbac
|
||
0: bbbbac
|
||
1: a
|
||
bbbbbac
|
||
0: bbbbbac
|
||
1: a
|
||
|
||
/(?!\A)x/m
|
||
a\bx\n
|
||
0: x
|
||
a\nx\n
|
||
0: x
|
||
\= Expect no match
|
||
x\nb\n
|
||
No match
|
||
|
||
/(A|B)*?CD/
|
||
CD
|
||
0: CD
|
||
|
||
/(A|B)*CD/
|
||
CD
|
||
0: CD
|
||
|
||
/(AB)*?\1/
|
||
ABABAB
|
||
0: ABAB
|
||
1: AB
|
||
|
||
/(AB)*\1/
|
||
ABABAB
|
||
0: ABABAB
|
||
1: AB
|
||
|
||
/(?<!bar)foo/
|
||
foo
|
||
0: foo
|
||
catfood
|
||
0: foo
|
||
arfootle
|
||
0: foo
|
||
rfoosh
|
||
0: foo
|
||
\= Expect no match
|
||
barfoo
|
||
No match
|
||
towbarfoo
|
||
No match
|
||
|
||
/\w{3}(?<!bar)foo/
|
||
catfood
|
||
0: catfoo
|
||
\= Expect no match
|
||
foo
|
||
No match
|
||
barfoo
|
||
No match
|
||
towbarfoo
|
||
No match
|
||
|
||
/(?<=(foo)a)bar/
|
||
fooabar
|
||
0: bar
|
||
1: foo
|
||
\= Expect no match
|
||
bar
|
||
No match
|
||
foobbar
|
||
No match
|
||
|
||
/\Aabc\z/m
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
abc\n
|
||
No match
|
||
qqq\nabc
|
||
No match
|
||
abc\nzzz
|
||
No match
|
||
qqq\nabc\nzzz
|
||
No match
|
||
|
||
/(?>.*\/)foo/
|
||
/this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
|
||
0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
|
||
\= Expect no match
|
||
/this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
|
||
No match
|
||
|
||
/(?>(\.\d\d[1-9]?))\d+/
|
||
1.230003938
|
||
0: .230003938
|
||
1: .23
|
||
1.875000282
|
||
0: .875000282
|
||
1: .875
|
||
\= Expect no match
|
||
1.235
|
||
No match
|
||
|
||
/^((?>\w+)|(?>\s+))*$/
|
||
now is the time for all good men to come to the aid of the party
|
||
0: now is the time for all good men to come to the aid of the party
|
||
1: party
|
||
\= Expect no match
|
||
this is not a line with only words and spaces!
|
||
No match
|
||
|
||
/(\d+)(\w)/
|
||
12345a
|
||
0: 12345a
|
||
1: 12345
|
||
2: a
|
||
12345+
|
||
0: 12345
|
||
1: 1234
|
||
2: 5
|
||
|
||
/((?>\d+))(\w)/
|
||
12345a
|
||
0: 12345a
|
||
1: 12345
|
||
2: a
|
||
\= Expect no match
|
||
12345+
|
||
No match
|
||
|
||
/(?>a+)b/
|
||
aaab
|
||
0: aaab
|
||
|
||
/((?>a+)b)/
|
||
aaab
|
||
0: aaab
|
||
1: aaab
|
||
|
||
/(?>(a+))b/
|
||
aaab
|
||
0: aaab
|
||
1: aaa
|
||
|
||
/(?>b)+/
|
||
aaabbbccc
|
||
0: bbb
|
||
|
||
/(?>a+|b+|c+)*c/
|
||
aaabbbbccccd
|
||
0: aaabbbbc
|
||
|
||
/((?>[^()]+)|\([^()]*\))+/
|
||
((abc(ade)ufh()()x
|
||
0: abc(ade)ufh()()x
|
||
1: x
|
||
|
||
/\(((?>[^()]+)|\([^()]+\))+\)/
|
||
(abc)
|
||
0: (abc)
|
||
1: abc
|
||
(abc(def)xyz)
|
||
0: (abc(def)xyz)
|
||
1: xyz
|
||
\= Expect no match
|
||
((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/a(?-i)b/i
|
||
ab
|
||
0: ab
|
||
Ab
|
||
0: Ab
|
||
\= Expect no match
|
||
aB
|
||
No match
|
||
AB
|
||
No match
|
||
|
||
/(a (?x)b c)d e/
|
||
a bcd e
|
||
0: a bcd e
|
||
1: a bc
|
||
\= Expect no match
|
||
a b cd e
|
||
No match
|
||
abcd e
|
||
No match
|
||
a bcde
|
||
No match
|
||
|
||
/(a b(?x)c d (?-x)e f)/
|
||
a bcde f
|
||
0: a bcde f
|
||
1: a bcde f
|
||
\= Expect no match
|
||
abcdef
|
||
No match
|
||
|
||
/(a(?i)b)c/
|
||
abc
|
||
0: abc
|
||
1: ab
|
||
aBc
|
||
0: aBc
|
||
1: aB
|
||
\= Expect no match
|
||
abC
|
||
No match
|
||
aBC
|
||
No match
|
||
Abc
|
||
No match
|
||
ABc
|
||
No match
|
||
ABC
|
||
No match
|
||
AbC
|
||
No match
|
||
|
||
/a(?i:b)c/
|
||
abc
|
||
0: abc
|
||
aBc
|
||
0: aBc
|
||
\= Expect no match
|
||
ABC
|
||
No match
|
||
abC
|
||
No match
|
||
aBC
|
||
No match
|
||
|
||
/a(?i:b)*c/
|
||
aBc
|
||
0: aBc
|
||
aBBc
|
||
0: aBBc
|
||
\= Expect no match
|
||
aBC
|
||
No match
|
||
aBBC
|
||
No match
|
||
|
||
/a(?=b(?i)c)\w\wd/
|
||
abcd
|
||
0: abcd
|
||
abCd
|
||
0: abCd
|
||
\= Expect no match
|
||
aBCd
|
||
No match
|
||
abcD
|
||
No match
|
||
|
||
/(?s-i:more.*than).*million/i
|
||
more than million
|
||
0: more than million
|
||
more than MILLION
|
||
0: more than MILLION
|
||
more \n than Million
|
||
0: more \x0a than Million
|
||
\= Expect no match
|
||
MORE THAN MILLION
|
||
No match
|
||
more \n than \n million
|
||
No match
|
||
|
||
/(?:(?s-i)more.*than).*million/i
|
||
more than million
|
||
0: more than million
|
||
more than MILLION
|
||
0: more than MILLION
|
||
more \n than Million
|
||
0: more \x0a than Million
|
||
\= Expect no match
|
||
MORE THAN MILLION
|
||
No match
|
||
more \n than \n million
|
||
No match
|
||
|
||
/(?>a(?i)b+)+c/
|
||
abc
|
||
0: abc
|
||
aBbc
|
||
0: aBbc
|
||
aBBc
|
||
0: aBBc
|
||
\= Expect no match
|
||
Abc
|
||
No match
|
||
abAb
|
||
No match
|
||
abbC
|
||
No match
|
||
|
||
/(?=a(?i)b)\w\wc/
|
||
abc
|
||
0: abc
|
||
aBc
|
||
0: aBc
|
||
\= Expect no match
|
||
Ab
|
||
No match
|
||
abC
|
||
No match
|
||
aBC
|
||
No match
|
||
|
||
/(?<=a(?i)b)(\w\w)c/
|
||
abxxc
|
||
0: xxc
|
||
1: xx
|
||
aBxxc
|
||
0: xxc
|
||
1: xx
|
||
\= Expect no match
|
||
Abxxc
|
||
No match
|
||
ABxxc
|
||
No match
|
||
abxxC
|
||
No match
|
||
|
||
/(?:(a)|b)(?(1)A|B)/
|
||
aA
|
||
0: aA
|
||
1: a
|
||
bB
|
||
0: bB
|
||
\= Expect no match
|
||
aB
|
||
No match
|
||
bA
|
||
No match
|
||
|
||
/^(a)?(?(1)a|b)+$/
|
||
aa
|
||
0: aa
|
||
1: a
|
||
b
|
||
0: b
|
||
bb
|
||
0: bb
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
|
||
# Perl gets this next one wrong if the pattern ends with $; in that case it
|
||
# fails to match "12".
|
||
|
||
/^(?(?=abc)\w{3}:|\d\d)/
|
||
abc:
|
||
0: abc:
|
||
12
|
||
0: 12
|
||
123
|
||
0: 12
|
||
\= Expect no match
|
||
xyz
|
||
No match
|
||
|
||
/^(?(?!abc)\d\d|\w{3}:)$/
|
||
abc:
|
||
0: abc:
|
||
12
|
||
0: 12
|
||
\= Expect no match
|
||
123
|
||
No match
|
||
xyz
|
||
No match
|
||
|
||
/(?(?<=foo)bar|cat)/
|
||
foobar
|
||
0: bar
|
||
cat
|
||
0: cat
|
||
fcat
|
||
0: cat
|
||
focat
|
||
0: cat
|
||
\= Expect no match
|
||
foocat
|
||
No match
|
||
|
||
/(?(?<!foo)cat|bar)/
|
||
foobar
|
||
0: bar
|
||
cat
|
||
0: cat
|
||
fcat
|
||
0: cat
|
||
focat
|
||
0: cat
|
||
\= Expect no match
|
||
foocat
|
||
No match
|
||
|
||
/( \( )? [^()]+ (?(1) \) |) /x
|
||
abcd
|
||
0: abcd
|
||
(abcd)
|
||
0: (abcd)
|
||
1: (
|
||
the quick (abcd) fox
|
||
0: the quick
|
||
(abcd
|
||
0: abcd
|
||
|
||
/( \( )? [^()]+ (?(1) \) ) /x
|
||
abcd
|
||
0: abcd
|
||
(abcd)
|
||
0: (abcd)
|
||
1: (
|
||
the quick (abcd) fox
|
||
0: the quick
|
||
(abcd
|
||
0: abcd
|
||
|
||
/^(?(2)a|(1)(2))+$/
|
||
12
|
||
0: 12
|
||
1: 1
|
||
2: 2
|
||
12a
|
||
0: 12a
|
||
1: 1
|
||
2: 2
|
||
12aa
|
||
0: 12aa
|
||
1: 1
|
||
2: 2
|
||
\= Expect no match
|
||
1234
|
||
No match
|
||
|
||
/((?i)blah)\s+\1/
|
||
blah blah
|
||
0: blah blah
|
||
1: blah
|
||
BLAH BLAH
|
||
0: BLAH BLAH
|
||
1: BLAH
|
||
Blah Blah
|
||
0: Blah Blah
|
||
1: Blah
|
||
blaH blaH
|
||
0: blaH blaH
|
||
1: blaH
|
||
\= Expect no match
|
||
blah BLAH
|
||
No match
|
||
Blah blah
|
||
No match
|
||
blaH blah
|
||
No match
|
||
|
||
/((?i)blah)\s+(?i:\1)/
|
||
blah blah
|
||
0: blah blah
|
||
1: blah
|
||
BLAH BLAH
|
||
0: BLAH BLAH
|
||
1: BLAH
|
||
Blah Blah
|
||
0: Blah Blah
|
||
1: Blah
|
||
blaH blaH
|
||
0: blaH blaH
|
||
1: blaH
|
||
blah BLAH
|
||
0: blah BLAH
|
||
1: blah
|
||
Blah blah
|
||
0: Blah blah
|
||
1: Blah
|
||
blaH blah
|
||
0: blaH blah
|
||
1: blaH
|
||
|
||
/((?i)blah)\s+(?m)A(?i:\1)/
|
||
blah ABLAH
|
||
0: blah ABLAH
|
||
1: blah
|
||
\= Expect no match
|
||
blah aBLAH
|
||
No match
|
||
|
||
/(?>a*)*/
|
||
a
|
||
0: a
|
||
aa
|
||
0: aa
|
||
aaaa
|
||
0: aaaa
|
||
|
||
/(abc|)+/
|
||
abc
|
||
0: abc
|
||
1:
|
||
abcabc
|
||
0: abcabc
|
||
1:
|
||
abcabcabc
|
||
0: abcabcabc
|
||
1:
|
||
xyz
|
||
0:
|
||
1:
|
||
|
||
/([a]*)*/
|
||
a
|
||
0: a
|
||
1:
|
||
aaaaa
|
||
0: aaaaa
|
||
1:
|
||
|
||
/([ab]*)*/
|
||
a
|
||
0: a
|
||
1:
|
||
b
|
||
0: b
|
||
1:
|
||
ababab
|
||
0: ababab
|
||
1:
|
||
aaaabcde
|
||
0: aaaab
|
||
1:
|
||
bbbb
|
||
0: bbbb
|
||
1:
|
||
|
||
/([^a]*)*/
|
||
b
|
||
0: b
|
||
1:
|
||
bbbb
|
||
0: bbbb
|
||
1:
|
||
aaa
|
||
0:
|
||
1:
|
||
|
||
/([^ab]*)*/
|
||
cccc
|
||
0: cccc
|
||
1:
|
||
abab
|
||
0:
|
||
1:
|
||
|
||
/([a]*?)*/
|
||
a
|
||
0:
|
||
1:
|
||
aaaa
|
||
0:
|
||
1:
|
||
|
||
/([ab]*?)*/
|
||
a
|
||
0:
|
||
1:
|
||
b
|
||
0:
|
||
1:
|
||
abab
|
||
0:
|
||
1:
|
||
baba
|
||
0:
|
||
1:
|
||
|
||
/([^a]*?)*/
|
||
b
|
||
0:
|
||
1:
|
||
bbbb
|
||
0:
|
||
1:
|
||
aaa
|
||
0:
|
||
1:
|
||
|
||
/([^ab]*?)*/
|
||
c
|
||
0:
|
||
1:
|
||
cccc
|
||
0:
|
||
1:
|
||
baba
|
||
0:
|
||
1:
|
||
|
||
/(?>a*)*/
|
||
a
|
||
0: a
|
||
aaabcde
|
||
0: aaa
|
||
|
||
/((?>a*))*/
|
||
aaaaa
|
||
0: aaaaa
|
||
1:
|
||
aabbaa
|
||
0: aa
|
||
1:
|
||
|
||
/((?>a*?))*/
|
||
aaaaa
|
||
0:
|
||
1:
|
||
aabbaa
|
||
0:
|
||
1:
|
||
|
||
/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
|
||
12-sep-98
|
||
0: 12-sep-98
|
||
12-09-98
|
||
0: 12-09-98
|
||
\= Expect no match
|
||
sep-12-98
|
||
No match
|
||
|
||
/(?<=(foo))bar\1/
|
||
foobarfoo
|
||
0: barfoo
|
||
1: foo
|
||
foobarfootling
|
||
0: barfoo
|
||
1: foo
|
||
\= Expect no match
|
||
foobar
|
||
No match
|
||
barfoo
|
||
No match
|
||
|
||
/(?i:saturday|sunday)/
|
||
saturday
|
||
0: saturday
|
||
sunday
|
||
0: sunday
|
||
Saturday
|
||
0: Saturday
|
||
Sunday
|
||
0: Sunday
|
||
SATURDAY
|
||
0: SATURDAY
|
||
SUNDAY
|
||
0: SUNDAY
|
||
SunDay
|
||
0: SunDay
|
||
|
||
/(a(?i)bc|BB)x/
|
||
abcx
|
||
0: abcx
|
||
1: abc
|
||
aBCx
|
||
0: aBCx
|
||
1: aBC
|
||
bbx
|
||
0: bbx
|
||
1: bb
|
||
BBx
|
||
0: BBx
|
||
1: BB
|
||
\= Expect no match
|
||
abcX
|
||
No match
|
||
aBCX
|
||
No match
|
||
bbX
|
||
No match
|
||
BBX
|
||
No match
|
||
|
||
/^([ab](?i)[cd]|[ef])/
|
||
ac
|
||
0: ac
|
||
1: ac
|
||
aC
|
||
0: aC
|
||
1: aC
|
||
bD
|
||
0: bD
|
||
1: bD
|
||
elephant
|
||
0: e
|
||
1: e
|
||
Europe
|
||
0: E
|
||
1: E
|
||
frog
|
||
0: f
|
||
1: f
|
||
France
|
||
0: F
|
||
1: F
|
||
\= Expect no match
|
||
Africa
|
||
No match
|
||
|
||
/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
|
||
ab
|
||
0: ab
|
||
1: ab
|
||
aBd
|
||
0: aBd
|
||
1: aBd
|
||
xy
|
||
0: xy
|
||
1: xy
|
||
xY
|
||
0: xY
|
||
1: xY
|
||
zebra
|
||
0: z
|
||
1: z
|
||
Zambesi
|
||
0: Z
|
||
1: Z
|
||
\= Expect no match
|
||
aCD
|
||
No match
|
||
XY
|
||
No match
|
||
|
||
/(?<=foo\n)^bar/m
|
||
foo\nbar
|
||
0: bar
|
||
\= Expect no match
|
||
bar
|
||
No match
|
||
baz\nbar
|
||
No match
|
||
|
||
/(?<=(?<!foo)bar)baz/
|
||
barbaz
|
||
0: baz
|
||
barbarbaz
|
||
0: baz
|
||
koobarbaz
|
||
0: baz
|
||
\= Expect no match
|
||
baz
|
||
No match
|
||
foobarbaz
|
||
No match
|
||
|
||
# The cases of aaaa and aaaaaa are missed out below because Perl does things
|
||
# differently. We know that odd, and maybe incorrect, things happen with
|
||
# recursive references in Perl, as far as 5.11.3 - see some stuff in test #2.
|
||
|
||
/^(a\1?){4}$/
|
||
aaaaa
|
||
0: aaaaa
|
||
1: a
|
||
aaaaaaa
|
||
0: aaaaaaa
|
||
1: a
|
||
aaaaaaaaaa
|
||
0: aaaaaaaaaa
|
||
1: aaaa
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
aa
|
||
No match
|
||
aaa
|
||
No match
|
||
aaaaaaaa
|
||
No match
|
||
aaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/^(a\1?)(a\1?)(a\2?)(a\3?)$/
|
||
aaaa
|
||
0: aaaa
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
aaaaa
|
||
0: aaaaa
|
||
1: a
|
||
2: aa
|
||
3: a
|
||
4: a
|
||
aaaaaa
|
||
0: aaaaaa
|
||
1: a
|
||
2: aa
|
||
3: a
|
||
4: aa
|
||
aaaaaaa
|
||
0: aaaaaaa
|
||
1: a
|
||
2: aa
|
||
3: aaa
|
||
4: a
|
||
aaaaaaaaaa
|
||
0: aaaaaaaaaa
|
||
1: a
|
||
2: aa
|
||
3: aaa
|
||
4: aaaa
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
aa
|
||
No match
|
||
aaa
|
||
No match
|
||
aaaaaaaa
|
||
No match
|
||
aaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
# The following tests are taken from the Perl 5.005 test suite; some of them
|
||
# are compatible with 5.004, but I'd rather not have to sort them out.
|
||
|
||
/abc/
|
||
abc
|
||
0: abc
|
||
xabcy
|
||
0: abc
|
||
ababc
|
||
0: abc
|
||
\= Expect no match
|
||
xbc
|
||
No match
|
||
axc
|
||
No match
|
||
abx
|
||
No match
|
||
|
||
/ab*c/
|
||
abc
|
||
0: abc
|
||
|
||
/ab*bc/
|
||
abc
|
||
0: abc
|
||
abbc
|
||
0: abbc
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/.{1}/
|
||
abbbbc
|
||
0: a
|
||
|
||
/.{3,4}/
|
||
abbbbc
|
||
0: abbb
|
||
|
||
/ab{0,}bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/ab+bc/
|
||
abbc
|
||
0: abbc
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
abq
|
||
No match
|
||
|
||
/ab{1,}bc/
|
||
|
||
/ab+bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/ab{1,}bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/ab{1,3}bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/ab{3,4}bc/
|
||
abbbbc
|
||
0: abbbbc
|
||
|
||
/ab{4,5}bc/
|
||
\= Expect no match
|
||
abq
|
||
No match
|
||
abbbbc
|
||
No match
|
||
|
||
/ab?bc/
|
||
abbc
|
||
0: abbc
|
||
abc
|
||
0: abc
|
||
|
||
/ab{0,1}bc/
|
||
abc
|
||
0: abc
|
||
|
||
/ab?bc/
|
||
|
||
/ab?c/
|
||
abc
|
||
0: abc
|
||
|
||
/ab{0,1}c/
|
||
abc
|
||
0: abc
|
||
|
||
/^abc$/
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
abbbbc
|
||
No match
|
||
abcc
|
||
No match
|
||
|
||
/^abc/
|
||
abcc
|
||
0: abc
|
||
|
||
/^abc$/
|
||
|
||
/abc$/
|
||
aabc
|
||
0: abc
|
||
\= Expect no match
|
||
aabcd
|
||
No match
|
||
|
||
/^/
|
||
abc
|
||
0:
|
||
|
||
/$/
|
||
abc
|
||
0:
|
||
|
||
/a.c/
|
||
abc
|
||
0: abc
|
||
axc
|
||
0: axc
|
||
|
||
/a.*c/
|
||
axyzc
|
||
0: axyzc
|
||
|
||
/a[bc]d/
|
||
abd
|
||
0: abd
|
||
\= Expect no match
|
||
axyzd
|
||
No match
|
||
abc
|
||
No match
|
||
|
||
/a[b-d]e/
|
||
ace
|
||
0: ace
|
||
|
||
/a[b-d]/
|
||
aac
|
||
0: ac
|
||
|
||
/a[-b]/
|
||
a-
|
||
0: a-
|
||
|
||
/a[b-]/
|
||
a-
|
||
0: a-
|
||
|
||
/a]/
|
||
a]
|
||
0: a]
|
||
|
||
/a[]]b/
|
||
a]b
|
||
0: a]b
|
||
|
||
/a[^bc]d/
|
||
aed
|
||
0: aed
|
||
\= Expect no match
|
||
abd
|
||
No match
|
||
abd
|
||
No match
|
||
|
||
/a[^-b]c/
|
||
adc
|
||
0: adc
|
||
|
||
/a[^]b]c/
|
||
adc
|
||
0: adc
|
||
a-c
|
||
0: a-c
|
||
\= Expect no match
|
||
a]c
|
||
No match
|
||
|
||
/\ba\b/
|
||
a-
|
||
0: a
|
||
-a
|
||
0: a
|
||
-a-
|
||
0: a
|
||
|
||
/\by\b/
|
||
\= Expect no match
|
||
xy
|
||
No match
|
||
yz
|
||
No match
|
||
xyz
|
||
No match
|
||
|
||
/\Ba\B/
|
||
\= Expect no match
|
||
a-
|
||
No match
|
||
-a
|
||
No match
|
||
-a-
|
||
No match
|
||
|
||
/\By\b/
|
||
xy
|
||
0: y
|
||
|
||
/\by\B/
|
||
yz
|
||
0: y
|
||
|
||
/\By\B/
|
||
xyz
|
||
0: y
|
||
|
||
/\w/
|
||
a
|
||
0: a
|
||
|
||
/\W/
|
||
-
|
||
0: -
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
|
||
/a\sb/
|
||
a b
|
||
0: a b
|
||
|
||
/a\Sb/
|
||
a-b
|
||
0: a-b
|
||
\= Expect no match
|
||
a b
|
||
No match
|
||
|
||
/\d/
|
||
1
|
||
0: 1
|
||
|
||
/\D/
|
||
-
|
||
0: -
|
||
\= Expect no match
|
||
1
|
||
No match
|
||
|
||
/[\w]/
|
||
a
|
||
0: a
|
||
|
||
/[\W]/
|
||
-
|
||
0: -
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
|
||
/a[\s]b/
|
||
a b
|
||
0: a b
|
||
|
||
/a[\S]b/
|
||
a-b
|
||
0: a-b
|
||
\= Expect no match
|
||
a b
|
||
No match
|
||
|
||
/[\d]/
|
||
1
|
||
0: 1
|
||
|
||
/[\D]/
|
||
-
|
||
0: -
|
||
\= Expect no match
|
||
1
|
||
No match
|
||
|
||
/ab|cd/
|
||
abc
|
||
0: ab
|
||
abcd
|
||
0: ab
|
||
|
||
/()ef/
|
||
def
|
||
0: ef
|
||
1:
|
||
|
||
/$b/
|
||
|
||
/a\(b/
|
||
a(b
|
||
0: a(b
|
||
|
||
/a\(*b/
|
||
ab
|
||
0: ab
|
||
a((b
|
||
0: a((b
|
||
|
||
/a\\b/
|
||
a\\b
|
||
0: a\b
|
||
|
||
/((a))/
|
||
abc
|
||
0: a
|
||
1: a
|
||
2: a
|
||
|
||
/(a)b(c)/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
2: c
|
||
|
||
/a+b+c/
|
||
aabbabc
|
||
0: abc
|
||
|
||
/a{1,}b{1,}c/
|
||
aabbabc
|
||
0: abc
|
||
|
||
/a.+?c/
|
||
abcabc
|
||
0: abc
|
||
|
||
/(a+|b)*/
|
||
ab
|
||
0: ab
|
||
1: b
|
||
|
||
/(a+|b){0,}/
|
||
ab
|
||
0: ab
|
||
1: b
|
||
|
||
/(a+|b)+/
|
||
ab
|
||
0: ab
|
||
1: b
|
||
|
||
/(a+|b){1,}/
|
||
ab
|
||
0: ab
|
||
1: b
|
||
|
||
/(a+|b)?/
|
||
ab
|
||
0: a
|
||
1: a
|
||
|
||
/(a+|b){0,1}/
|
||
ab
|
||
0: a
|
||
1: a
|
||
|
||
/[^ab]*/
|
||
cde
|
||
0: cde
|
||
|
||
/abc/
|
||
\= Expect no match
|
||
b
|
||
No match
|
||
|
||
/a*/
|
||
\
|
||
0:
|
||
|
||
/([abc])*d/
|
||
abbbcd
|
||
0: abbbcd
|
||
1: c
|
||
|
||
/([abc])*bcd/
|
||
abcd
|
||
0: abcd
|
||
1: a
|
||
|
||
/a|b|c|d|e/
|
||
e
|
||
0: e
|
||
|
||
/(a|b|c|d|e)f/
|
||
ef
|
||
0: ef
|
||
1: e
|
||
|
||
/abcd*efg/
|
||
abcdefg
|
||
0: abcdefg
|
||
|
||
/ab*/
|
||
xabyabbbz
|
||
0: ab
|
||
xayabbbz
|
||
0: a
|
||
|
||
/(ab|cd)e/
|
||
abcde
|
||
0: cde
|
||
1: cd
|
||
|
||
/[abhgefdc]ij/
|
||
hij
|
||
0: hij
|
||
|
||
/^(ab|cd)e/
|
||
|
||
/(abc|)ef/
|
||
abcdef
|
||
0: ef
|
||
1:
|
||
|
||
/(a|b)c*d/
|
||
abcd
|
||
0: bcd
|
||
1: b
|
||
|
||
/(ab|ab*)bc/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
|
||
/a([bc]*)c*/
|
||
abc
|
||
0: abc
|
||
1: bc
|
||
|
||
/a([bc]*)(c*d)/
|
||
abcd
|
||
0: abcd
|
||
1: bc
|
||
2: d
|
||
|
||
/a([bc]+)(c*d)/
|
||
abcd
|
||
0: abcd
|
||
1: bc
|
||
2: d
|
||
|
||
/a([bc]*)(c+d)/
|
||
abcd
|
||
0: abcd
|
||
1: b
|
||
2: cd
|
||
|
||
/a[bcd]*dcdcde/
|
||
adcdcde
|
||
0: adcdcde
|
||
|
||
/a[bcd]+dcdcde/
|
||
\= Expect no match
|
||
abcde
|
||
No match
|
||
adcdcde
|
||
No match
|
||
|
||
/(ab|a)b*c/
|
||
abc
|
||
0: abc
|
||
1: ab
|
||
|
||
/((a)(b)c)(d)/
|
||
abcd
|
||
0: abcd
|
||
1: abc
|
||
2: a
|
||
3: b
|
||
4: d
|
||
|
||
/[a-zA-Z_][a-zA-Z0-9_]*/
|
||
alpha
|
||
0: alpha
|
||
|
||
/^a(bc+|b[eh])g|.h$/
|
||
abh
|
||
0: bh
|
||
|
||
/(bc+d$|ef*g.|h?i(j|k))/
|
||
effgz
|
||
0: effgz
|
||
1: effgz
|
||
ij
|
||
0: ij
|
||
1: ij
|
||
2: j
|
||
reffgz
|
||
0: effgz
|
||
1: effgz
|
||
\= Expect no match
|
||
effg
|
||
No match
|
||
bcdd
|
||
No match
|
||
|
||
/((((((((((a))))))))))/
|
||
a
|
||
0: a
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
5: a
|
||
6: a
|
||
7: a
|
||
8: a
|
||
9: a
|
||
10: a
|
||
|
||
/((((((((((a))))))))))\10/
|
||
aa
|
||
0: aa
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
5: a
|
||
6: a
|
||
7: a
|
||
8: a
|
||
9: a
|
||
10: a
|
||
|
||
/(((((((((a)))))))))/
|
||
a
|
||
0: a
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
5: a
|
||
6: a
|
||
7: a
|
||
8: a
|
||
9: a
|
||
|
||
/multiple words of text/
|
||
\= Expect no match
|
||
aa
|
||
No match
|
||
uh-uh
|
||
No match
|
||
|
||
/multiple words/
|
||
multiple words, yeah
|
||
0: multiple words
|
||
|
||
/(.*)c(.*)/
|
||
abcde
|
||
0: abcde
|
||
1: ab
|
||
2: de
|
||
|
||
/\((.*), (.*)\)/
|
||
(a, b)
|
||
0: (a, b)
|
||
1: a
|
||
2: b
|
||
|
||
/[k]/
|
||
|
||
/abcd/
|
||
abcd
|
||
0: abcd
|
||
|
||
/a(bc)d/
|
||
abcd
|
||
0: abcd
|
||
1: bc
|
||
|
||
/a[-]?c/
|
||
ac
|
||
0: ac
|
||
|
||
/(abc)\1/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
|
||
/([a-c]*)\1/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
|
||
/(a)|\1/
|
||
a
|
||
0: a
|
||
1: a
|
||
ab
|
||
0: a
|
||
1: a
|
||
\= Expect no match
|
||
x
|
||
No match
|
||
|
||
/(([a-c])b*?\2)*/
|
||
ababbbcbc
|
||
0: ababb
|
||
1: bb
|
||
2: b
|
||
|
||
/(([a-c])b*?\2){3}/
|
||
ababbbcbc
|
||
0: ababbbcbc
|
||
1: cbc
|
||
2: c
|
||
|
||
/((\3|b)\2(a)x)+/
|
||
aaaxabaxbaaxbbax
|
||
0: bbax
|
||
1: bbax
|
||
2: b
|
||
3: a
|
||
|
||
/((\3|b)\2(a)){2,}/
|
||
bbaababbabaaaaabbaaaabba
|
||
0: bbaaaabba
|
||
1: bba
|
||
2: b
|
||
3: a
|
||
|
||
/abc/i
|
||
ABC
|
||
0: ABC
|
||
XABCY
|
||
0: ABC
|
||
ABABC
|
||
0: ABC
|
||
\= Expect no match
|
||
aaxabxbaxbbx
|
||
No match
|
||
XBC
|
||
No match
|
||
AXC
|
||
No match
|
||
ABX
|
||
No match
|
||
|
||
/ab*c/i
|
||
ABC
|
||
0: ABC
|
||
|
||
/ab*bc/i
|
||
ABC
|
||
0: ABC
|
||
ABBC
|
||
0: ABBC
|
||
|
||
/ab*?bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab{0,}?bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab+?bc/i
|
||
ABBC
|
||
0: ABBC
|
||
|
||
/ab+bc/i
|
||
\= Expect no match
|
||
ABC
|
||
No match
|
||
ABQ
|
||
No match
|
||
|
||
/ab{1,}bc/i
|
||
|
||
/ab+bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab{1,}?bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab{1,3}?bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab{3,4}?bc/i
|
||
ABBBBC
|
||
0: ABBBBC
|
||
|
||
/ab{4,5}?bc/i
|
||
\= Expect no match
|
||
ABQ
|
||
No match
|
||
ABBBBC
|
||
No match
|
||
|
||
/ab??bc/i
|
||
ABBC
|
||
0: ABBC
|
||
ABC
|
||
0: ABC
|
||
|
||
/ab{0,1}?bc/i
|
||
ABC
|
||
0: ABC
|
||
|
||
/ab??bc/i
|
||
|
||
/ab??c/i
|
||
ABC
|
||
0: ABC
|
||
|
||
/ab{0,1}?c/i
|
||
ABC
|
||
0: ABC
|
||
|
||
/^abc$/i
|
||
ABC
|
||
0: ABC
|
||
\= Expect no match
|
||
ABBBBC
|
||
No match
|
||
ABCC
|
||
No match
|
||
|
||
/^abc/i
|
||
ABCC
|
||
0: ABC
|
||
|
||
/^abc$/i
|
||
|
||
/abc$/i
|
||
AABC
|
||
0: ABC
|
||
|
||
/^/i
|
||
ABC
|
||
0:
|
||
|
||
/$/i
|
||
ABC
|
||
0:
|
||
|
||
/a.c/i
|
||
ABC
|
||
0: ABC
|
||
AXC
|
||
0: AXC
|
||
|
||
/a.*?c/i
|
||
AXYZC
|
||
0: AXYZC
|
||
|
||
/a.*c/i
|
||
AABC
|
||
0: AABC
|
||
\= Expect no match
|
||
AXYZD
|
||
No match
|
||
|
||
/a[bc]d/i
|
||
ABD
|
||
0: ABD
|
||
|
||
/a[b-d]e/i
|
||
ACE
|
||
0: ACE
|
||
\= Expect no match
|
||
ABC
|
||
No match
|
||
ABD
|
||
No match
|
||
|
||
/a[b-d]/i
|
||
AAC
|
||
0: AC
|
||
|
||
/a[-b]/i
|
||
A-
|
||
0: A-
|
||
|
||
/a[b-]/i
|
||
A-
|
||
0: A-
|
||
|
||
/a]/i
|
||
A]
|
||
0: A]
|
||
|
||
/a[]]b/i
|
||
A]B
|
||
0: A]B
|
||
|
||
/a[^bc]d/i
|
||
AED
|
||
0: AED
|
||
|
||
/a[^-b]c/i
|
||
ADC
|
||
0: ADC
|
||
\= Expect no match
|
||
ABD
|
||
No match
|
||
A-C
|
||
No match
|
||
|
||
/a[^]b]c/i
|
||
ADC
|
||
0: ADC
|
||
|
||
/ab|cd/i
|
||
ABC
|
||
0: AB
|
||
ABCD
|
||
0: AB
|
||
|
||
/()ef/i
|
||
DEF
|
||
0: EF
|
||
1:
|
||
|
||
/$b/i
|
||
\= Expect no match
|
||
A]C
|
||
No match
|
||
B
|
||
No match
|
||
|
||
/a\(b/i
|
||
A(B
|
||
0: A(B
|
||
|
||
/a\(*b/i
|
||
AB
|
||
0: AB
|
||
A((B
|
||
0: A((B
|
||
|
||
/a\\b/i
|
||
A\\b
|
||
0: A\b
|
||
a\\B
|
||
0: a\B
|
||
|
||
/((a))/i
|
||
ABC
|
||
0: A
|
||
1: A
|
||
2: A
|
||
|
||
/(a)b(c)/i
|
||
ABC
|
||
0: ABC
|
||
1: A
|
||
2: C
|
||
|
||
/a+b+c/i
|
||
AABBABC
|
||
0: ABC
|
||
|
||
/a{1,}b{1,}c/i
|
||
AABBABC
|
||
0: ABC
|
||
|
||
/a.+?c/i
|
||
ABCABC
|
||
0: ABC
|
||
|
||
/a.*?c/i
|
||
ABCABC
|
||
0: ABC
|
||
|
||
/a.{0,5}?c/i
|
||
ABCABC
|
||
0: ABC
|
||
|
||
/(a+|b)*/i
|
||
AB
|
||
0: AB
|
||
1: B
|
||
|
||
/(a+|b){0,}/i
|
||
AB
|
||
0: AB
|
||
1: B
|
||
|
||
/(a+|b)+/i
|
||
AB
|
||
0: AB
|
||
1: B
|
||
|
||
/(a+|b){1,}/i
|
||
AB
|
||
0: AB
|
||
1: B
|
||
|
||
/(a+|b)?/i
|
||
AB
|
||
0: A
|
||
1: A
|
||
|
||
/(a+|b){0,1}/i
|
||
AB
|
||
0: A
|
||
1: A
|
||
|
||
/(a+|b){0,1}?/i
|
||
AB
|
||
0:
|
||
|
||
/[^ab]*/i
|
||
CDE
|
||
0: CDE
|
||
|
||
/([abc])*d/i
|
||
ABBBCD
|
||
0: ABBBCD
|
||
1: C
|
||
|
||
/([abc])*bcd/i
|
||
ABCD
|
||
0: ABCD
|
||
1: A
|
||
|
||
/a|b|c|d|e/i
|
||
E
|
||
0: E
|
||
|
||
/(a|b|c|d|e)f/i
|
||
EF
|
||
0: EF
|
||
1: E
|
||
|
||
/abcd*efg/i
|
||
ABCDEFG
|
||
0: ABCDEFG
|
||
|
||
/ab*/i
|
||
XABYABBBZ
|
||
0: AB
|
||
XAYABBBZ
|
||
0: A
|
||
|
||
/(ab|cd)e/i
|
||
ABCDE
|
||
0: CDE
|
||
1: CD
|
||
|
||
/[abhgefdc]ij/i
|
||
HIJ
|
||
0: HIJ
|
||
|
||
/^(ab|cd)e/i
|
||
\= Expect no match
|
||
ABCDE
|
||
No match
|
||
|
||
/(abc|)ef/i
|
||
ABCDEF
|
||
0: EF
|
||
1:
|
||
|
||
/(a|b)c*d/i
|
||
ABCD
|
||
0: BCD
|
||
1: B
|
||
|
||
/(ab|ab*)bc/i
|
||
ABC
|
||
0: ABC
|
||
1: A
|
||
|
||
/a([bc]*)c*/i
|
||
ABC
|
||
0: ABC
|
||
1: BC
|
||
|
||
/a([bc]*)(c*d)/i
|
||
ABCD
|
||
0: ABCD
|
||
1: BC
|
||
2: D
|
||
|
||
/a([bc]+)(c*d)/i
|
||
ABCD
|
||
0: ABCD
|
||
1: BC
|
||
2: D
|
||
|
||
/a([bc]*)(c+d)/i
|
||
ABCD
|
||
0: ABCD
|
||
1: B
|
||
2: CD
|
||
|
||
/a[bcd]*dcdcde/i
|
||
ADCDCDE
|
||
0: ADCDCDE
|
||
|
||
/a[bcd]+dcdcde/i
|
||
|
||
/(ab|a)b*c/i
|
||
ABC
|
||
0: ABC
|
||
1: AB
|
||
|
||
/((a)(b)c)(d)/i
|
||
ABCD
|
||
0: ABCD
|
||
1: ABC
|
||
2: A
|
||
3: B
|
||
4: D
|
||
|
||
/[a-zA-Z_][a-zA-Z0-9_]*/i
|
||
ALPHA
|
||
0: ALPHA
|
||
|
||
/^a(bc+|b[eh])g|.h$/i
|
||
ABH
|
||
0: BH
|
||
|
||
/(bc+d$|ef*g.|h?i(j|k))/i
|
||
EFFGZ
|
||
0: EFFGZ
|
||
1: EFFGZ
|
||
IJ
|
||
0: IJ
|
||
1: IJ
|
||
2: J
|
||
REFFGZ
|
||
0: EFFGZ
|
||
1: EFFGZ
|
||
\= Expect no match
|
||
ADCDCDE
|
||
No match
|
||
EFFG
|
||
No match
|
||
BCDD
|
||
No match
|
||
|
||
/((((((((((a))))))))))/i
|
||
A
|
||
0: A
|
||
1: A
|
||
2: A
|
||
3: A
|
||
4: A
|
||
5: A
|
||
6: A
|
||
7: A
|
||
8: A
|
||
9: A
|
||
10: A
|
||
|
||
/((((((((((a))))))))))\10/i
|
||
AA
|
||
0: AA
|
||
1: A
|
||
2: A
|
||
3: A
|
||
4: A
|
||
5: A
|
||
6: A
|
||
7: A
|
||
8: A
|
||
9: A
|
||
10: A
|
||
|
||
/(((((((((a)))))))))/i
|
||
A
|
||
0: A
|
||
1: A
|
||
2: A
|
||
3: A
|
||
4: A
|
||
5: A
|
||
6: A
|
||
7: A
|
||
8: A
|
||
9: A
|
||
|
||
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
|
||
A
|
||
0: A
|
||
1: A
|
||
|
||
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
|
||
C
|
||
0: C
|
||
1: C
|
||
|
||
/multiple words of text/i
|
||
\= Expect no match
|
||
AA
|
||
No match
|
||
UH-UH
|
||
No match
|
||
|
||
/multiple words/i
|
||
MULTIPLE WORDS, YEAH
|
||
0: MULTIPLE WORDS
|
||
|
||
/(.*)c(.*)/i
|
||
ABCDE
|
||
0: ABCDE
|
||
1: AB
|
||
2: DE
|
||
|
||
/\((.*), (.*)\)/i
|
||
(A, B)
|
||
0: (A, B)
|
||
1: A
|
||
2: B
|
||
|
||
/[k]/i
|
||
|
||
/abcd/i
|
||
ABCD
|
||
0: ABCD
|
||
|
||
/a(bc)d/i
|
||
ABCD
|
||
0: ABCD
|
||
1: BC
|
||
|
||
/a[-]?c/i
|
||
AC
|
||
0: AC
|
||
|
||
/(abc)\1/i
|
||
ABCABC
|
||
0: ABCABC
|
||
1: ABC
|
||
|
||
/([a-c]*)\1/i
|
||
ABCABC
|
||
0: ABCABC
|
||
1: ABC
|
||
|
||
/a(?!b)./
|
||
abad
|
||
0: ad
|
||
|
||
/a(?=d)./
|
||
abad
|
||
0: ad
|
||
|
||
/a(?=c|d)./
|
||
abad
|
||
0: ad
|
||
|
||
/a(?:b|c|d)(.)/
|
||
ace
|
||
0: ace
|
||
1: e
|
||
|
||
/a(?:b|c|d)*(.)/
|
||
ace
|
||
0: ace
|
||
1: e
|
||
|
||
/a(?:b|c|d)+?(.)/
|
||
ace
|
||
0: ace
|
||
1: e
|
||
acdbcdbe
|
||
0: acd
|
||
1: d
|
||
|
||
/a(?:b|c|d)+(.)/
|
||
acdbcdbe
|
||
0: acdbcdbe
|
||
1: e
|
||
|
||
/a(?:b|c|d){2}(.)/
|
||
acdbcdbe
|
||
0: acdb
|
||
1: b
|
||
|
||
/a(?:b|c|d){4,5}(.)/
|
||
acdbcdbe
|
||
0: acdbcdb
|
||
1: b
|
||
|
||
/a(?:b|c|d){4,5}?(.)/
|
||
acdbcdbe
|
||
0: acdbcd
|
||
1: d
|
||
|
||
/((foo)|(bar))*/
|
||
foobar
|
||
0: foobar
|
||
1: bar
|
||
2: foo
|
||
3: bar
|
||
|
||
/a(?:b|c|d){6,7}(.)/
|
||
acdbcdbe
|
||
0: acdbcdbe
|
||
1: e
|
||
|
||
/a(?:b|c|d){6,7}?(.)/
|
||
acdbcdbe
|
||
0: acdbcdbe
|
||
1: e
|
||
|
||
/a(?:b|c|d){5,6}(.)/
|
||
acdbcdbe
|
||
0: acdbcdbe
|
||
1: e
|
||
|
||
/a(?:b|c|d){5,6}?(.)/
|
||
acdbcdbe
|
||
0: acdbcdb
|
||
1: b
|
||
|
||
/a(?:b|c|d){5,7}(.)/
|
||
acdbcdbe
|
||
0: acdbcdbe
|
||
1: e
|
||
|
||
/a(?:b|c|d){5,7}?(.)/
|
||
acdbcdbe
|
||
0: acdbcdb
|
||
1: b
|
||
|
||
/a(?:b|(c|e){1,2}?|d)+?(.)/
|
||
ace
|
||
0: ace
|
||
1: c
|
||
2: e
|
||
|
||
/^(.+)?B/
|
||
AB
|
||
0: AB
|
||
1: A
|
||
|
||
/^([^a-z])|(\^)$/
|
||
.
|
||
0: .
|
||
1: .
|
||
|
||
/^[<>]&/
|
||
<&OUT
|
||
0: <&
|
||
|
||
/^(a\1?){4}$/
|
||
aaaaaaaaaa
|
||
0: aaaaaaaaaa
|
||
1: aaaa
|
||
\= Expect no match
|
||
AB
|
||
No match
|
||
aaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaa
|
||
No match
|
||
|
||
/^(a(?(1)\1)){4}$/
|
||
aaaaaaaaaa
|
||
0: aaaaaaaaaa
|
||
1: aaaa
|
||
\= Expect no match
|
||
aaaaaaaaa
|
||
No match
|
||
aaaaaaaaaaa
|
||
No match
|
||
|
||
/(?:(f)(o)(o)|(b)(a)(r))*/
|
||
foobar
|
||
0: foobar
|
||
1: f
|
||
2: o
|
||
3: o
|
||
4: b
|
||
5: a
|
||
6: r
|
||
|
||
/(?<=a)b/
|
||
ab
|
||
0: b
|
||
\= Expect no match
|
||
cb
|
||
No match
|
||
b
|
||
No match
|
||
|
||
/(?<!c)b/
|
||
ab
|
||
0: b
|
||
b
|
||
0: b
|
||
b
|
||
0: b
|
||
|
||
/(?:..)*a/
|
||
aba
|
||
0: aba
|
||
|
||
/(?:..)*?a/
|
||
aba
|
||
0: a
|
||
|
||
/^(?:b|a(?=(.)))*\1/
|
||
abc
|
||
0: ab
|
||
1: b
|
||
|
||
/^(){3,5}/
|
||
abc
|
||
0:
|
||
1:
|
||
|
||
/^(a+)*ax/
|
||
aax
|
||
0: aax
|
||
1: a
|
||
|
||
/^((a|b)+)*ax/
|
||
aax
|
||
0: aax
|
||
1: a
|
||
2: a
|
||
|
||
/^((a|bc)+)*ax/
|
||
aax
|
||
0: aax
|
||
1: a
|
||
2: a
|
||
|
||
/(a|x)*ab/
|
||
cab
|
||
0: ab
|
||
|
||
/(a)*ab/
|
||
cab
|
||
0: ab
|
||
|
||
/(?:(?i)a)b/
|
||
ab
|
||
0: ab
|
||
|
||
/((?i)a)b/
|
||
ab
|
||
0: ab
|
||
1: a
|
||
|
||
/(?:(?i)a)b/
|
||
Ab
|
||
0: Ab
|
||
|
||
/((?i)a)b/
|
||
Ab
|
||
0: Ab
|
||
1: A
|
||
|
||
/(?:(?i)a)b/
|
||
\= Expect no match
|
||
cb
|
||
No match
|
||
aB
|
||
No match
|
||
|
||
/((?i)a)b/
|
||
|
||
/(?i:a)b/
|
||
ab
|
||
0: ab
|
||
|
||
/((?i:a))b/
|
||
ab
|
||
0: ab
|
||
1: a
|
||
|
||
/(?i:a)b/
|
||
Ab
|
||
0: Ab
|
||
|
||
/((?i:a))b/
|
||
Ab
|
||
0: Ab
|
||
1: A
|
||
|
||
/(?i:a)b/
|
||
\= Expect no match
|
||
aB
|
||
No match
|
||
aB
|
||
No match
|
||
|
||
/((?i:a))b/
|
||
|
||
/(?:(?-i)a)b/i
|
||
ab
|
||
0: ab
|
||
|
||
/((?-i)a)b/i
|
||
ab
|
||
0: ab
|
||
1: a
|
||
|
||
/(?:(?-i)a)b/i
|
||
aB
|
||
0: aB
|
||
|
||
/((?-i)a)b/i
|
||
aB
|
||
0: aB
|
||
1: a
|
||
|
||
/(?:(?-i)a)b/i
|
||
aB
|
||
0: aB
|
||
\= Expect no match
|
||
Ab
|
||
No match
|
||
AB
|
||
No match
|
||
|
||
/(?-i:a)b/i
|
||
ab
|
||
0: ab
|
||
|
||
/((?-i:a))b/i
|
||
ab
|
||
0: ab
|
||
1: a
|
||
|
||
/(?-i:a)b/i
|
||
aB
|
||
0: aB
|
||
|
||
/((?-i:a))b/i
|
||
aB
|
||
0: aB
|
||
1: a
|
||
|
||
/(?-i:a)b/i
|
||
\= Expect no match
|
||
AB
|
||
No match
|
||
Ab
|
||
No match
|
||
|
||
/((?-i:a))b/i
|
||
|
||
/(?-i:a)b/i
|
||
aB
|
||
0: aB
|
||
|
||
/((?-i:a))b/i
|
||
aB
|
||
0: aB
|
||
1: a
|
||
|
||
/(?-i:a)b/i
|
||
\= Expect no match
|
||
Ab
|
||
No match
|
||
AB
|
||
No match
|
||
|
||
/((?-i:a))b/i
|
||
|
||
/((?-i:a.))b/i
|
||
\= Expect no match
|
||
AB
|
||
No match
|
||
a\nB
|
||
No match
|
||
|
||
/((?s-i:a.))b/i
|
||
a\nB
|
||
0: a\x0aB
|
||
1: a\x0a
|
||
|
||
/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
|
||
cabbbb
|
||
0: cabbbb
|
||
|
||
/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
|
||
caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
||
0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
||
|
||
/(ab)\d\1/i
|
||
Ab4ab
|
||
0: Ab4ab
|
||
1: Ab
|
||
ab4Ab
|
||
0: ab4Ab
|
||
1: ab
|
||
|
||
/foo\w*\d{4}baz/
|
||
foobar1234baz
|
||
0: foobar1234baz
|
||
|
||
/x(~~)*(?:(?:F)?)?/
|
||
x~~
|
||
0: x~~
|
||
1: ~~
|
||
|
||
/^a(?#xxx){3}c/
|
||
aaac
|
||
0: aaac
|
||
|
||
/^a (?#xxx) (?#yyy) {3}c/x
|
||
aaac
|
||
0: aaac
|
||
|
||
/(?<![cd])b/
|
||
\= Expect no match
|
||
B\nB
|
||
No match
|
||
dbcb
|
||
No match
|
||
|
||
/(?<![cd])[ab]/
|
||
dbaacb
|
||
0: a
|
||
|
||
/(?<!(c|d))b/
|
||
|
||
/(?<!(c|d))[ab]/
|
||
dbaacb
|
||
0: a
|
||
|
||
/(?<!cd)[ab]/
|
||
cdaccb
|
||
0: b
|
||
|
||
/^(?:a?b?)*$/
|
||
\
|
||
0:
|
||
a
|
||
0: a
|
||
ab
|
||
0: ab
|
||
aaa
|
||
0: aaa
|
||
\= Expect no match
|
||
dbcb
|
||
No match
|
||
a--
|
||
No match
|
||
aa--
|
||
No match
|
||
|
||
/((?s)^a(.))((?m)^b$)/
|
||
a\nb\nc\n
|
||
0: a\x0ab
|
||
1: a\x0a
|
||
2: \x0a
|
||
3: b
|
||
|
||
/((?m)^b$)/
|
||
a\nb\nc\n
|
||
0: b
|
||
1: b
|
||
|
||
/(?m)^b/
|
||
a\nb\n
|
||
0: b
|
||
|
||
/(?m)^(b)/
|
||
a\nb\n
|
||
0: b
|
||
1: b
|
||
|
||
/((?m)^b)/
|
||
a\nb\n
|
||
0: b
|
||
1: b
|
||
|
||
/\n((?m)^b)/
|
||
a\nb\n
|
||
0: \x0ab
|
||
1: b
|
||
|
||
/((?s).)c(?!.)/
|
||
a\nb\nc\n
|
||
0: \x0ac
|
||
1: \x0a
|
||
a\nb\nc\n
|
||
0: \x0ac
|
||
1: \x0a
|
||
|
||
/((?s)b.)c(?!.)/
|
||
a\nb\nc\n
|
||
0: b\x0ac
|
||
1: b\x0a
|
||
a\nb\nc\n
|
||
0: b\x0ac
|
||
1: b\x0a
|
||
|
||
/^b/
|
||
|
||
/()^b/
|
||
\= Expect no match
|
||
a\nb\nc\n
|
||
No match
|
||
a\nb\nc\n
|
||
No match
|
||
|
||
/((?m)^b)/
|
||
a\nb\nc\n
|
||
0: b
|
||
1: b
|
||
|
||
/(x)?(?(1)a|b)/
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
a
|
||
No match
|
||
|
||
/(x)?(?(1)b|a)/
|
||
a
|
||
0: a
|
||
|
||
/()?(?(1)b|a)/
|
||
a
|
||
0: a
|
||
|
||
/()(?(1)b|a)/
|
||
|
||
/()?(?(1)a|b)/
|
||
a
|
||
0: a
|
||
1:
|
||
|
||
/^(\()?blah(?(1)(\)))$/
|
||
(blah)
|
||
0: (blah)
|
||
1: (
|
||
2: )
|
||
blah
|
||
0: blah
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
blah)
|
||
No match
|
||
(blah
|
||
No match
|
||
|
||
/^(\(+)?blah(?(1)(\)))$/
|
||
(blah)
|
||
0: (blah)
|
||
1: (
|
||
2: )
|
||
blah
|
||
0: blah
|
||
\= Expect no match
|
||
blah)
|
||
No match
|
||
(blah
|
||
No match
|
||
|
||
/(?(?!a)a|b)/
|
||
|
||
/(?(?!a)b|a)/
|
||
a
|
||
0: a
|
||
|
||
/(?(?=a)b|a)/
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
a
|
||
No match
|
||
|
||
/(?(?=a)a|b)/
|
||
a
|
||
0: a
|
||
|
||
/(?=(a+?))(\1ab)/
|
||
aaab
|
||
0: aab
|
||
1: a
|
||
2: aab
|
||
|
||
/^(?=(a+?))\1ab/
|
||
|
||
/(\w+:)+/
|
||
one:
|
||
0: one:
|
||
1: one:
|
||
|
||
/$(?<=^(a))/
|
||
a
|
||
0:
|
||
1: a
|
||
|
||
/(?=(a+?))(\1ab)/
|
||
aaab
|
||
0: aab
|
||
1: a
|
||
2: aab
|
||
|
||
/^(?=(a+?))\1ab/
|
||
\= Expect no match
|
||
aaab
|
||
No match
|
||
aaab
|
||
No match
|
||
|
||
/([\w:]+::)?(\w+)$/
|
||
abcd
|
||
0: abcd
|
||
1: <unset>
|
||
2: abcd
|
||
xy:z:::abcd
|
||
0: xy:z:::abcd
|
||
1: xy:z:::
|
||
2: abcd
|
||
|
||
/^[^bcd]*(c+)/
|
||
aexycd
|
||
0: aexyc
|
||
1: c
|
||
|
||
/(a*)b+/
|
||
caab
|
||
0: aab
|
||
1: aa
|
||
|
||
/([\w:]+::)?(\w+)$/
|
||
abcd
|
||
0: abcd
|
||
1: <unset>
|
||
2: abcd
|
||
xy:z:::abcd
|
||
0: xy:z:::abcd
|
||
1: xy:z:::
|
||
2: abcd
|
||
\= Expect no match
|
||
abcd:
|
||
No match
|
||
abcd:
|
||
No match
|
||
|
||
/^[^bcd]*(c+)/
|
||
aexycd
|
||
0: aexyc
|
||
1: c
|
||
|
||
/(>a+)ab/
|
||
|
||
/(?>a+)b/
|
||
aaab
|
||
0: aaab
|
||
|
||
/([[:]+)/
|
||
a:[b]:
|
||
0: :[
|
||
1: :[
|
||
|
||
/([[=]+)/
|
||
a=[b]=
|
||
0: =[
|
||
1: =[
|
||
|
||
/([[.]+)/
|
||
a.[b].
|
||
0: .[
|
||
1: .[
|
||
|
||
/((?>a+)b)/
|
||
aaab
|
||
0: aaab
|
||
1: aaab
|
||
|
||
/(?>(a+))b/
|
||
aaab
|
||
0: aaab
|
||
1: aaa
|
||
|
||
/((?>[^()]+)|\([^()]*\))+/
|
||
((abc(ade)ufh()()x
|
||
0: abc(ade)ufh()()x
|
||
1: x
|
||
|
||
/a\Z/
|
||
\= Expect no match
|
||
aaab
|
||
No match
|
||
a\nb\n
|
||
No match
|
||
|
||
/b\Z/
|
||
a\nb\n
|
||
0: b
|
||
|
||
/b\z/
|
||
|
||
/b\Z/
|
||
a\nb
|
||
0: b
|
||
|
||
/b\z/
|
||
a\nb
|
||
0: b
|
||
|
||
/^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/
|
||
a
|
||
0: a
|
||
1:
|
||
abc
|
||
0: abc
|
||
1:
|
||
a-b
|
||
0: a-b
|
||
1:
|
||
0-9
|
||
0: 0-9
|
||
1:
|
||
a.b
|
||
0: a.b
|
||
1:
|
||
5.6.7
|
||
0: 5.6.7
|
||
1:
|
||
the.quick.brown.fox
|
||
0: the.quick.brown.fox
|
||
1:
|
||
a100.b200.300c
|
||
0: a100.b200.300c
|
||
1:
|
||
12-ab.1245
|
||
0: 12-ab.1245
|
||
1:
|
||
\= Expect no match
|
||
\
|
||
No match
|
||
.a
|
||
No match
|
||
-a
|
||
No match
|
||
a-
|
||
No match
|
||
a.
|
||
No match
|
||
a_b
|
||
No match
|
||
a.-
|
||
No match
|
||
a..
|
||
No match
|
||
ab..bc
|
||
No match
|
||
the.quick.brown.fox-
|
||
No match
|
||
the.quick.brown.fox.
|
||
No match
|
||
the.quick.brown.fox_
|
||
No match
|
||
the.quick.brown.fox+
|
||
No match
|
||
|
||
/(?>.*)(?<=(abcd|wxyz))/
|
||
alphabetabcd
|
||
0: alphabetabcd
|
||
1: abcd
|
||
endingwxyz
|
||
0: endingwxyz
|
||
1: wxyz
|
||
\= Expect no match
|
||
a rather long string that doesn't end with one of them
|
||
No match
|
||
|
||
/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
|
||
word cat dog elephant mussel cow horse canary baboon snake shark otherword
|
||
0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
|
||
\= Expect no match
|
||
word cat dog elephant mussel cow horse canary baboon snake shark
|
||
No match
|
||
|
||
/word (?>[a-zA-Z0-9]+ ){0,30}otherword/
|
||
\= Expect no match
|
||
word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
|
||
No match
|
||
|
||
/(?<=\d{3}(?!999))foo/
|
||
999foo
|
||
0: foo
|
||
123999foo
|
||
0: foo
|
||
\= Expect no match
|
||
123abcfoo
|
||
No match
|
||
|
||
/(?<=(?!...999)\d{3})foo/
|
||
999foo
|
||
0: foo
|
||
123999foo
|
||
0: foo
|
||
\= Expect no match
|
||
123abcfoo
|
||
No match
|
||
|
||
/(?<=\d{3}(?!999)...)foo/
|
||
123abcfoo
|
||
0: foo
|
||
123456foo
|
||
0: foo
|
||
\= Expect no match
|
||
123999foo
|
||
No match
|
||
|
||
/(?<=\d{3}...)(?<!999)foo/
|
||
123abcfoo
|
||
0: foo
|
||
123456foo
|
||
0: foo
|
||
\= Expect no match
|
||
123999foo
|
||
No match
|
||
|
||
/<a[\s]+href[\s]*=[\s]* # find <a href=
|
||
([\"\'])? # find single or double quote
|
||
(?(1) (.*?)\1 | ([^\s]+)) # if quote found, match up to next matching
|
||
# quote, otherwise match up to next space
|
||
/isx
|
||
<a href=abcd xyz
|
||
0: <a href=abcd
|
||
1: <unset>
|
||
2: <unset>
|
||
3: abcd
|
||
<a href=\"abcd xyz pqr\" cats
|
||
0: <a href="abcd xyz pqr"
|
||
1: "
|
||
2: abcd xyz pqr
|
||
<a href=\'abcd xyz pqr\' cats
|
||
0: <a href='abcd xyz pqr'
|
||
1: '
|
||
2: abcd xyz pqr
|
||
|
||
/<a\s+href\s*=\s* # find <a href=
|
||
(["'])? # find single or double quote
|
||
(?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching
|
||
# quote, otherwise match up to next space
|
||
/isx
|
||
<a href=abcd xyz
|
||
0: <a href=abcd
|
||
1: <unset>
|
||
2: <unset>
|
||
3: abcd
|
||
<a href=\"abcd xyz pqr\" cats
|
||
0: <a href="abcd xyz pqr"
|
||
1: "
|
||
2: abcd xyz pqr
|
||
<a href = \'abcd xyz pqr\' cats
|
||
0: <a href = 'abcd xyz pqr'
|
||
1: '
|
||
2: abcd xyz pqr
|
||
|
||
/<a\s+href(?>\s*)=(?>\s*) # find <a href=
|
||
(["'])? # find single or double quote
|
||
(?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching
|
||
# quote, otherwise match up to next space
|
||
/isx
|
||
<a href=abcd xyz
|
||
0: <a href=abcd
|
||
1: <unset>
|
||
2: <unset>
|
||
3: abcd
|
||
<a href=\"abcd xyz pqr\" cats
|
||
0: <a href="abcd xyz pqr"
|
||
1: "
|
||
2: abcd xyz pqr
|
||
<a href = \'abcd xyz pqr\' cats
|
||
0: <a href = 'abcd xyz pqr'
|
||
1: '
|
||
2: abcd xyz pqr
|
||
|
||
/((Z)+|A)*/
|
||
ZABCDEFG
|
||
0: ZA
|
||
1: A
|
||
2: Z
|
||
|
||
/(Z()|A)*/
|
||
ZABCDEFG
|
||
0: ZA
|
||
1: A
|
||
2:
|
||
|
||
/(Z(())|A)*/
|
||
ZABCDEFG
|
||
0: ZA
|
||
1: A
|
||
2:
|
||
3:
|
||
|
||
/((?>Z)+|A)*/
|
||
ZABCDEFG
|
||
0: ZA
|
||
1: A
|
||
|
||
/((?>)+|A)*/
|
||
ZABCDEFG
|
||
0:
|
||
1:
|
||
|
||
/a*/g
|
||
abbab
|
||
0: a
|
||
0:
|
||
0:
|
||
0: a
|
||
0:
|
||
0:
|
||
|
||
/[[:space:]]+/
|
||
> \x09\x0a\x0c\x0d\x0b<
|
||
0: \x09\x0a\x0c\x0d\x0b
|
||
|
||
/[[:blank:]]+/
|
||
> \x09\x0a\x0c\x0d\x0b<
|
||
0: \x09
|
||
|
||
/[\s]+/
|
||
> \x09\x0a\x0c\x0d\x0b<
|
||
0: \x09\x0a\x0c\x0d\x0b
|
||
|
||
/\s+/
|
||
> \x09\x0a\x0c\x0d\x0b<
|
||
0: \x09\x0a\x0c\x0d\x0b
|
||
|
||
/a b/x
|
||
ab
|
||
0: ab
|
||
|
||
/(?!\A)x/m
|
||
a\nxb\n
|
||
0: x
|
||
|
||
/(?!^)x/m
|
||
\= Expect no match
|
||
a\nxb\n
|
||
No match
|
||
|
||
/abc\Qabc\Eabc/
|
||
abcabcabc
|
||
0: abcabcabc
|
||
|
||
/abc\Q(*+|\Eabc/
|
||
abc(*+|abc
|
||
0: abc(*+|abc
|
||
|
||
/ abc\Q abc\Eabc/x
|
||
abc abcabc
|
||
0: abc abcabc
|
||
\= Expect no match
|
||
abcabcabc
|
||
No match
|
||
|
||
/abc#comment
|
||
\Q#not comment
|
||
literal\E/x
|
||
abc#not comment\n literal
|
||
0: abc#not comment\x0a literal
|
||
|
||
/abc#comment
|
||
\Q#not comment
|
||
literal/x
|
||
abc#not comment\n literal
|
||
0: abc#not comment\x0a literal
|
||
|
||
/abc#comment
|
||
\Q#not comment
|
||
literal\E #more comment
|
||
/x
|
||
abc#not comment\n literal
|
||
0: abc#not comment\x0a literal
|
||
|
||
/abc#comment
|
||
\Q#not comment
|
||
literal\E #more comment/x
|
||
abc#not comment\n literal
|
||
0: abc#not comment\x0a literal
|
||
|
||
/\Qabc\$xyz\E/
|
||
abc\\\$xyz
|
||
0: abc\$xyz
|
||
|
||
/\Qabc\E\$\Qxyz\E/
|
||
abc\$xyz
|
||
0: abc$xyz
|
||
|
||
/\Gabc/
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
xyzabc
|
||
No match
|
||
|
||
/\Gabc./g
|
||
abc1abc2xyzabc3
|
||
0: abc1
|
||
0: abc2
|
||
|
||
/abc./g
|
||
abc1abc2xyzabc3
|
||
0: abc1
|
||
0: abc2
|
||
0: abc3
|
||
|
||
/a(?x: b c )d/
|
||
XabcdY
|
||
0: abcd
|
||
\= Expect no match
|
||
Xa b c d Y
|
||
No match
|
||
|
||
/((?x)x y z | a b c)/
|
||
XabcY
|
||
0: abc
|
||
1: abc
|
||
AxyzB
|
||
0: xyz
|
||
1: xyz
|
||
|
||
/(?i)AB(?-i)C/
|
||
XabCY
|
||
0: abC
|
||
\= Expect no match
|
||
XabcY
|
||
No match
|
||
|
||
/((?i)AB(?-i)C|D)E/
|
||
abCE
|
||
0: abCE
|
||
1: abC
|
||
DE
|
||
0: DE
|
||
1: D
|
||
\= Expect no match
|
||
abcE
|
||
No match
|
||
abCe
|
||
No match
|
||
dE
|
||
No match
|
||
De
|
||
No match
|
||
|
||
/(.*)\d+\1/
|
||
abc123abc
|
||
0: abc123abc
|
||
1: abc
|
||
abc123bc
|
||
0: bc123bc
|
||
1: bc
|
||
|
||
/(.*)\d+\1/s
|
||
abc123abc
|
||
0: abc123abc
|
||
1: abc
|
||
abc123bc
|
||
0: bc123bc
|
||
1: bc
|
||
|
||
/((.*))\d+\1/
|
||
abc123abc
|
||
0: abc123abc
|
||
1: abc
|
||
2: abc
|
||
abc123bc
|
||
0: bc123bc
|
||
1: bc
|
||
2: bc
|
||
|
||
# This tests for an IPv6 address in the form where it can have up to
|
||
# eight components, one and only one of which is empty. This must be
|
||
# an internal component.
|
||
|
||
/^(?!:) # colon disallowed at start
|
||
(?: # start of item
|
||
(?: [0-9a-f]{1,4} | # 1-4 hex digits or
|
||
(?(1)0 | () ) ) # if null previously matched, fail; else null
|
||
: # followed by colon
|
||
){1,7} # end item; 1-7 of them required
|
||
[0-9a-f]{1,4} $ # final hex number at end of string
|
||
(?(1)|.) # check that there was an empty component
|
||
/ix
|
||
a123::a123
|
||
0: a123::a123
|
||
1:
|
||
a123:b342::abcd
|
||
0: a123:b342::abcd
|
||
1:
|
||
a123:b342::324e:abcd
|
||
0: a123:b342::324e:abcd
|
||
1:
|
||
a123:ddde:b342::324e:abcd
|
||
0: a123:ddde:b342::324e:abcd
|
||
1:
|
||
a123:ddde:b342::324e:dcba:abcd
|
||
0: a123:ddde:b342::324e:dcba:abcd
|
||
1:
|
||
a123:ddde:9999:b342::324e:dcba:abcd
|
||
0: a123:ddde:9999:b342::324e:dcba:abcd
|
||
1:
|
||
\= Expect no match
|
||
1:2:3:4:5:6:7:8
|
||
No match
|
||
a123:bce:ddde:9999:b342::324e:dcba:abcd
|
||
No match
|
||
a123::9999:b342::324e:dcba:abcd
|
||
No match
|
||
abcde:2:3:4:5:6:7:8
|
||
No match
|
||
::1
|
||
No match
|
||
abcd:fee0:123::
|
||
No match
|
||
:1
|
||
No match
|
||
1:
|
||
No match
|
||
|
||
/[z\Qa-d]\E]/
|
||
z
|
||
0: z
|
||
a
|
||
0: a
|
||
-
|
||
0: -
|
||
d
|
||
0: d
|
||
]
|
||
0: ]
|
||
\= Expect no match
|
||
b
|
||
No match
|
||
|
||
/(a+)*b/
|
||
\= Expect no match
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/(?i)reg(?:ul(?:[a<>]|ae)r|ex)/
|
||
REGular
|
||
0: REGular
|
||
regulaer
|
||
0: regulaer
|
||
Regex
|
||
0: Regex
|
||
regul<75>r
|
||
0: regul\xe4r
|
||
|
||
/<2F><><EFBFBD><EFBFBD>[<5B>-<2D><>-<2D>]+/
|
||
<20><><EFBFBD><EFBFBD><EFBFBD>
|
||
0: \xc5\xe6\xe5\xe4\xe0
|
||
<20><><EFBFBD><EFBFBD><EFBFBD>
|
||
0: \xc5\xe6\xe5\xe4\xff
|
||
<20><><EFBFBD><EFBFBD><EFBFBD>
|
||
0: \xc5\xe6\xe5\xe4\xc0
|
||
<20><><EFBFBD><EFBFBD><EFBFBD>
|
||
0: \xc5\xe6\xe5\xe4\xdf
|
||
|
||
/(?<=Z)X./
|
||
\x84XAZXB
|
||
0: XB
|
||
|
||
/ab cd (?x) de fg/
|
||
ab cd defg
|
||
0: ab cd defg
|
||
|
||
/ab cd(?x) de fg/
|
||
ab cddefg
|
||
0: ab cddefg
|
||
\= Expect no match
|
||
abcddefg
|
||
No match
|
||
|
||
/(?<![^f]oo)(bar)/
|
||
foobarX
|
||
0: bar
|
||
1: bar
|
||
\= Expect no match
|
||
boobarX
|
||
No match
|
||
|
||
/(?<![^f])X/
|
||
offX
|
||
0: X
|
||
\= Expect no match
|
||
onyX
|
||
No match
|
||
|
||
/(?<=[^f])X/
|
||
onyX
|
||
0: X
|
||
\= Expect no match
|
||
offX
|
||
No match
|
||
|
||
/^/gm
|
||
a\nb\nc\n
|
||
0:
|
||
0:
|
||
0:
|
||
\
|
||
0:
|
||
|
||
/(?<=C\n)^/gm
|
||
A\nC\nC\n
|
||
0:
|
||
|
||
/(?:(?(1)a|b)(X))+/
|
||
bXaX
|
||
0: bXaX
|
||
1: X
|
||
|
||
/(?:(?(1)\1a|b)(X|Y))+/
|
||
bXXaYYaY
|
||
0: bXXaYYaY
|
||
1: Y
|
||
bXYaXXaX
|
||
0: bX
|
||
1: X
|
||
|
||
/()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/
|
||
bXXaYYaY
|
||
0: bX
|
||
1:
|
||
2:
|
||
3:
|
||
4:
|
||
5:
|
||
6:
|
||
7:
|
||
8:
|
||
9:
|
||
10: X
|
||
|
||
/[[,abc,]+]/
|
||
abc]
|
||
0: abc]
|
||
a,b]
|
||
0: a,b]
|
||
[a,b,c]
|
||
0: [a,b,c]
|
||
|
||
/(?-x: )/x
|
||
A\x20B
|
||
0:
|
||
|
||
/(?x)(?-x: \s*#\s*)/
|
||
A # B
|
||
0: #
|
||
\= Expect no match
|
||
#
|
||
No match
|
||
A s#s B
|
||
No match
|
||
|
||
/(?x-is)(?:(?-ixs) \s*#\s*) include/
|
||
A #include
|
||
0: #include
|
||
\= Expect no match
|
||
A#include
|
||
No match
|
||
A #Include
|
||
No match
|
||
|
||
/a*b*\w/
|
||
aaabbbb
|
||
0: aaabbbb
|
||
aaaa
|
||
0: aaaa
|
||
a
|
||
0: a
|
||
|
||
/a*b?\w/
|
||
aaabbbb
|
||
0: aaabb
|
||
aaaa
|
||
0: aaaa
|
||
a
|
||
0: a
|
||
|
||
/a*b{0,4}\w/
|
||
aaabbbb
|
||
0: aaabbbb
|
||
aaaa
|
||
0: aaaa
|
||
a
|
||
0: a
|
||
|
||
/a*b{0,}\w/
|
||
aaabbbb
|
||
0: aaabbbb
|
||
aaaa
|
||
0: aaaa
|
||
a
|
||
0: a
|
||
|
||
/a*\d*\w/
|
||
0a
|
||
0: 0a
|
||
a
|
||
0: a
|
||
|
||
/a*b *\w/x
|
||
a
|
||
0: a
|
||
|
||
/a*b#comment
|
||
*\w/x
|
||
a
|
||
0: a
|
||
|
||
/a* b *\w/x
|
||
a
|
||
0: a
|
||
|
||
/^\w+=.*(\\\n.*)*/
|
||
abc=xyz\\\npqr
|
||
0: abc=xyz\
|
||
|
||
/(?=(\w+))\1:/
|
||
abcd:
|
||
0: abcd:
|
||
1: abcd
|
||
|
||
/^(?=(\w+))\1:/
|
||
abcd:
|
||
0: abcd:
|
||
1: abcd
|
||
|
||
/^\Eabc/
|
||
abc
|
||
0: abc
|
||
|
||
/^[\Eabc]/
|
||
a
|
||
0: a
|
||
\= Expect no match
|
||
E
|
||
No match
|
||
|
||
/^[a-\Ec]/
|
||
b
|
||
0: b
|
||
\= Expect no match
|
||
-
|
||
No match
|
||
E
|
||
No match
|
||
|
||
/^[a\E\E-\Ec]/
|
||
b
|
||
0: b
|
||
\= Expect no match
|
||
-
|
||
No match
|
||
E
|
||
No match
|
||
|
||
/^[\E\Qa\E-\Qz\E]+/
|
||
b
|
||
0: b
|
||
\= Expect no match
|
||
-
|
||
No match
|
||
|
||
/^[a\Q]bc\E]/
|
||
a
|
||
0: a
|
||
]
|
||
0: ]
|
||
c
|
||
0: c
|
||
|
||
/^[a-\Q\E]/
|
||
a
|
||
0: a
|
||
-
|
||
0: -
|
||
|
||
/^(a()*)*/
|
||
aaaa
|
||
0: aaaa
|
||
1: a
|
||
2:
|
||
|
||
/^(?:a(?:(?:))*)*/
|
||
aaaa
|
||
0: aaaa
|
||
|
||
/^(a()+)+/
|
||
aaaa
|
||
0: aaaa
|
||
1: a
|
||
2:
|
||
|
||
/^(?:a(?:(?:))+)+/
|
||
aaaa
|
||
0: aaaa
|
||
|
||
/(a){0,3}(?(1)b|(c|))*D/
|
||
abbD
|
||
0: abbD
|
||
1: a
|
||
ccccD
|
||
0: ccccD
|
||
1: <unset>
|
||
2:
|
||
D
|
||
0: D
|
||
1: <unset>
|
||
2:
|
||
|
||
/(a|)*\d/
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
1:
|
||
\= Expect no match
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/(?>a|)*\d/
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
\= Expect no match
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/(?:a|)*\d/
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
|
||
\= Expect no match
|
||
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/\Z/g
|
||
abc\n
|
||
0:
|
||
0:
|
||
|
||
/^(?s)(?>.*)(?<!\n)/
|
||
abc
|
||
0: abc
|
||
\= Expect no match
|
||
abc\n
|
||
No match
|
||
|
||
/^(?![^\n]*\n\z)/
|
||
abc
|
||
0:
|
||
\= Expect no match
|
||
abc\n
|
||
No match
|
||
|
||
/\z(?<!\n)/
|
||
abc
|
||
0:
|
||
\= Expect no match
|
||
abc\n
|
||
No match
|
||
|
||
/(.*(.)?)*/
|
||
abcd
|
||
0: abcd
|
||
1:
|
||
|
||
/( (A | (?(1)0|) )* )/x
|
||
abcd
|
||
0:
|
||
1:
|
||
2:
|
||
|
||
/( ( (?(1)0|) )* )/x
|
||
abcd
|
||
0:
|
||
1:
|
||
2:
|
||
|
||
/( (?(1)0|)* )/x
|
||
abcd
|
||
0:
|
||
1:
|
||
|
||
/[[:abcd:xyz]]/
|
||
a]
|
||
0: a]
|
||
:]
|
||
0: :]
|
||
|
||
/[abc[:x\]pqr]/
|
||
a
|
||
0: a
|
||
[
|
||
0: [
|
||
:
|
||
0: :
|
||
]
|
||
0: ]
|
||
p
|
||
0: p
|
||
|
||
/.*[op][xyz]/
|
||
\= Expect no match
|
||
fooabcfoo
|
||
No match
|
||
|
||
/(?(?=.*b)b|^)/
|
||
adc
|
||
0:
|
||
abc
|
||
0: b
|
||
|
||
/(?(?=^.*b)b|^)/
|
||
adc
|
||
0:
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/(?(?=.*b)b|^)*/
|
||
adc
|
||
0:
|
||
abc
|
||
0:
|
||
|
||
/(?(?=.*b)b|^)+/
|
||
adc
|
||
0:
|
||
abc
|
||
0: b
|
||
|
||
/(?(?=b).*b|^d)/
|
||
abc
|
||
0: b
|
||
|
||
/(?(?=.*b).*b|^d)/
|
||
abc
|
||
0: ab
|
||
|
||
/^%((?(?=[a])[^%])|b)*%$/
|
||
%ab%
|
||
0: %ab%
|
||
1:
|
||
|
||
/(?i)a(?-i)b|c/
|
||
XabX
|
||
0: ab
|
||
XAbX
|
||
0: Ab
|
||
CcC
|
||
0: c
|
||
\= Expect no match
|
||
XABX
|
||
No match
|
||
|
||
/[\x00-\xff\s]+/
|
||
\x0a\x0b\x0c\x0d
|
||
0: \x0a\x0b\x0c\x0d
|
||
|
||
/(abc)\1/i
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/(abc)\1/
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/[^a]*/i
|
||
12abc
|
||
0: 12
|
||
12ABC
|
||
0: 12
|
||
|
||
/[^a]*+/i
|
||
12abc
|
||
0: 12
|
||
12ABC
|
||
0: 12
|
||
|
||
/[^a]*?X/i
|
||
\= Expect no match
|
||
12abc
|
||
No match
|
||
12ABC
|
||
No match
|
||
|
||
/[^a]+?X/i
|
||
\= Expect no match
|
||
12abc
|
||
No match
|
||
12ABC
|
||
No match
|
||
|
||
/[^a]?X/i
|
||
12aXbcX
|
||
0: X
|
||
12AXBCX
|
||
0: X
|
||
BCX
|
||
0: CX
|
||
|
||
/[^a]??X/i
|
||
12aXbcX
|
||
0: X
|
||
12AXBCX
|
||
0: X
|
||
BCX
|
||
0: CX
|
||
|
||
/[^a]?+X/i
|
||
12aXbcX
|
||
0: cX
|
||
12AXBCX
|
||
0: CX
|
||
BCX
|
||
0: CX
|
||
|
||
/[^a]{2,3}/i
|
||
abcdef
|
||
0: bcd
|
||
ABCDEF
|
||
0: BCD
|
||
|
||
/[^a]{2,3}?/i
|
||
abcdef
|
||
0: bc
|
||
ABCDEF
|
||
0: BC
|
||
|
||
/[^a]{2,3}+/i
|
||
abcdef
|
||
0: bcd
|
||
ABCDEF
|
||
0: BCD
|
||
|
||
/((a|)+)+Z/
|
||
Z
|
||
0: Z
|
||
1:
|
||
2:
|
||
|
||
/(a)b|(a)c/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
|
||
/(?>(a))b|(a)c/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
|
||
/(?=(a))ab|(a)c/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
|
||
/((?>(a))b|(a)c)/
|
||
ac
|
||
0: ac
|
||
1: ac
|
||
2: <unset>
|
||
3: a
|
||
|
||
/((?>(a))b|(a)c)++/
|
||
ac
|
||
0: ac
|
||
1: ac
|
||
2: <unset>
|
||
3: a
|
||
|
||
/(?:(?>(a))b|(a)c)++/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
|
||
/(?=(?>(a))b|(a)c)(..)/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
3: ac
|
||
|
||
/(?>(?>(a))b|(a)c)/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: a
|
||
|
||
/(?:(?>([ab])))+a=/aftertext
|
||
=ba=
|
||
0: ba=
|
||
0+
|
||
1: b
|
||
|
||
/(?>([ab]))+a=/aftertext
|
||
=ba=
|
||
0: ba=
|
||
0+
|
||
1: b
|
||
|
||
/((?>(a+)b)+(aabab))/
|
||
aaaabaaabaabab
|
||
0: aaaabaaabaabab
|
||
1: aaaabaaabaabab
|
||
2: aaa
|
||
3: aabab
|
||
|
||
/(?>a+|ab)+?c/
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/(?>a+|ab)+c/
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/(?:a+|ab)+c/
|
||
aabc
|
||
0: aabc
|
||
|
||
/(?(?=(a))a)/
|
||
a
|
||
0: a
|
||
1: a
|
||
|
||
/(?(?=(a))a)(b)/
|
||
ab
|
||
0: ab
|
||
1: a
|
||
2: b
|
||
|
||
/^(?:a|ab)++c/
|
||
\= Expect no match
|
||
aaaabc
|
||
No match
|
||
|
||
/^(?>a|ab)++c/
|
||
\= Expect no match
|
||
aaaabc
|
||
No match
|
||
|
||
/^(?:a|ab)+c/
|
||
aaaabc
|
||
0: aaaabc
|
||
|
||
/(?=abc){3}abc/aftertext
|
||
abcabcabc
|
||
0: abc
|
||
0+ abcabc
|
||
\= Expect no match
|
||
xyz
|
||
No match
|
||
|
||
/(?=abc)+abc/aftertext
|
||
abcabcabc
|
||
0: abc
|
||
0+ abcabc
|
||
\= Expect no match
|
||
xyz
|
||
No match
|
||
|
||
/(?=abc)++abc/aftertext
|
||
abcabcabc
|
||
0: abc
|
||
0+ abcabc
|
||
\= Expect no match
|
||
xyz
|
||
No match
|
||
|
||
/(?=abc){0}xyz/
|
||
xyz
|
||
0: xyz
|
||
|
||
/(?=abc){1}xyz/
|
||
\= Expect no match
|
||
xyz
|
||
No match
|
||
|
||
/(?=(a))?./
|
||
ab
|
||
0: a
|
||
1: a
|
||
bc
|
||
0: b
|
||
|
||
/(?=(a))??./
|
||
ab
|
||
0: a
|
||
bc
|
||
0: b
|
||
|
||
/^(?=(?1))?[az]([abc])d/
|
||
abd
|
||
0: abd
|
||
1: b
|
||
zcdxx
|
||
0: zcd
|
||
1: c
|
||
|
||
/^(?!a){0}\w+/
|
||
aaaaa
|
||
0: aaaaa
|
||
|
||
/(?<=(abc))?xyz/
|
||
abcxyz
|
||
0: xyz
|
||
1: abc
|
||
pqrxyz
|
||
0: xyz
|
||
|
||
/^[\g<a>]+/
|
||
ggg<<<aaa>>>
|
||
0: ggg<<<aaa>>>
|
||
\= Expect no match
|
||
\\ga
|
||
No match
|
||
|
||
/^[\ga]+/
|
||
gggagagaxyz
|
||
0: gggagaga
|
||
|
||
/^[:a[:digit:]]+/
|
||
aaaa444:::Z
|
||
0: aaaa444:::
|
||
|
||
/^[:a[:digit:]:b]+/
|
||
aaaa444:::bbbZ
|
||
0: aaaa444:::bbb
|
||
|
||
/[:a]xxx[b:]/
|
||
:xxx:
|
||
0: :xxx:
|
||
|
||
/(?<=a{2})b/i
|
||
xaabc
|
||
0: b
|
||
\= Expect no match
|
||
xabc
|
||
No match
|
||
|
||
/(?<!a{2})b/i
|
||
xabc
|
||
0: b
|
||
\= Expect no match
|
||
xaabc
|
||
No match
|
||
|
||
/(?<=a\h)c/
|
||
xa c
|
||
0: c
|
||
|
||
/(?<=[^a]{2})b/
|
||
axxbc
|
||
0: b
|
||
aAAbc
|
||
0: b
|
||
\= Expect no match
|
||
xaabc
|
||
No match
|
||
|
||
/(?<=[^a]{2})b/i
|
||
axxbc
|
||
0: b
|
||
\= Expect no match
|
||
aAAbc
|
||
No match
|
||
xaabc
|
||
No match
|
||
|
||
/(?<=a\H)c/
|
||
abc
|
||
0: c
|
||
|
||
/(?<=a\V)c/
|
||
abc
|
||
0: c
|
||
|
||
/(?<=a\v)c/
|
||
a\nc
|
||
0: c
|
||
|
||
/(?(?=c)c|d)++Y/
|
||
XcccddYX
|
||
0: cccddY
|
||
|
||
/(?(?=c)c|d)*+Y/
|
||
XcccddYX
|
||
0: cccddY
|
||
|
||
/^(a{2,3}){2,}+a/
|
||
aaaaaaa
|
||
0: aaaaaaa
|
||
1: aaa
|
||
\= Expect no match
|
||
aaaaaa
|
||
No match
|
||
aaaaaaaaa
|
||
No match
|
||
|
||
/^(a{2,3})++a/
|
||
\= Expect no match
|
||
aaaaaa
|
||
No match
|
||
|
||
/^(a{2,3})*+a/
|
||
\= Expect no match
|
||
aaaaaa
|
||
No match
|
||
|
||
/\H\h\V\v/
|
||
X X\x0a
|
||
0: X X\x0a
|
||
X\x09X\x0b
|
||
0: X\x09X\x0b
|
||
\= Expect no match
|
||
\xa0 X\x0a
|
||
No match
|
||
|
||
/\H*\h+\V?\v{3,4}/
|
||
\x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
|
||
0: \x09 \xa0X\x0a\x0b\x0c\x0d
|
||
\x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
|
||
0: \x09 \xa0\x0a\x0b\x0c\x0d
|
||
\x09\x20\xa0\x0a\x0b\x0c
|
||
0: \x09 \xa0\x0a\x0b\x0c
|
||
\= Expect no match
|
||
\x09\x20\xa0\x0a\x0b
|
||
No match
|
||
|
||
/\H{3,4}/
|
||
XY ABCDE
|
||
0: ABCD
|
||
XY PQR ST
|
||
0: PQR
|
||
|
||
/.\h{3,4}./
|
||
XY AB PQRS
|
||
0: B P
|
||
|
||
/\h*X\h?\H+Y\H?Z/
|
||
>XNNNYZ
|
||
0: XNNNYZ
|
||
> X NYQZ
|
||
0: X NYQZ
|
||
\= Expect no match
|
||
>XYZ
|
||
No match
|
||
> X NY Z
|
||
No match
|
||
|
||
/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
|
||
>XY\x0aZ\x0aA\x0bNN\x0c
|
||
0: XY\x0aZ\x0aA\x0bNN\x0c
|
||
>\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
|
||
0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
|
||
|
||
/(foo)\Kbar/
|
||
foobar
|
||
0: bar
|
||
1: foo
|
||
|
||
/(foo)(\Kbar|baz)/
|
||
foobar
|
||
0: bar
|
||
1: foo
|
||
2: bar
|
||
foobaz
|
||
0: foobaz
|
||
1: foo
|
||
2: baz
|
||
|
||
/(foo\Kbar)baz/
|
||
foobarbaz
|
||
0: barbaz
|
||
1: foobar
|
||
|
||
/abc\K|def\K/g,aftertext
|
||
Xabcdefghi
|
||
0:
|
||
0+ defghi
|
||
0:
|
||
0+ ghi
|
||
|
||
/ab\Kc|de\Kf/g,aftertext
|
||
Xabcdefghi
|
||
0: c
|
||
0+ defghi
|
||
0: f
|
||
0+ ghi
|
||
|
||
/(?=C)/g,aftertext
|
||
ABCDECBA
|
||
0:
|
||
0+ CDECBA
|
||
0:
|
||
0+ CBA
|
||
|
||
/^abc\K/aftertext
|
||
abcdef
|
||
0:
|
||
0+ def
|
||
\= Expect no match
|
||
defabcxyz
|
||
No match
|
||
|
||
/^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-2}Z/
|
||
ababababbbabZXXXX
|
||
0: ababababbbabZ
|
||
1: ab
|
||
2: b
|
||
|
||
/(?<A>tom|bon)-\g{A}/
|
||
tom-tom
|
||
0: tom-tom
|
||
1: tom
|
||
bon-bon
|
||
0: bon-bon
|
||
1: bon
|
||
|
||
/(^(a|b\g{-1}))/
|
||
\= Expect no match
|
||
bacxxx
|
||
No match
|
||
|
||
/(?|(abc)|(xyz))\1/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
xyzxyz
|
||
0: xyzxyz
|
||
1: xyz
|
||
\= Expect no match
|
||
abcxyz
|
||
No match
|
||
xyzabc
|
||
No match
|
||
|
||
/(?|(abc)|(xyz))(?1)/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
xyzabc
|
||
0: xyzabc
|
||
1: xyz
|
||
\= Expect no match
|
||
xyzxyz
|
||
No match
|
||
|
||
/^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/
|
||
XYabcdY
|
||
0: XYabcdY
|
||
1: a
|
||
2: b
|
||
3: c
|
||
4: d
|
||
5: Y
|
||
|
||
/^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/
|
||
XYabcdY
|
||
0: XYabcdY
|
||
1: a
|
||
2: b
|
||
3: <unset>
|
||
4: <unset>
|
||
5: c
|
||
6: d
|
||
7: Y
|
||
|
||
/^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/
|
||
XYabcdY
|
||
0: XYabcdY
|
||
1: a
|
||
2: b
|
||
3: <unset>
|
||
4: <unset>
|
||
5: c
|
||
6: d
|
||
7: Y
|
||
|
||
/(?'abc'\w+):\k<abc>{2}/
|
||
a:aaxyz
|
||
0: a:aa
|
||
1: a
|
||
ab:ababxyz
|
||
0: ab:abab
|
||
1: ab
|
||
\= Expect no match
|
||
a:axyz
|
||
No match
|
||
ab:abxyz
|
||
No match
|
||
|
||
/(?'abc'\w+):\g{abc}{2}/
|
||
a:aaxyz
|
||
0: a:aa
|
||
1: a
|
||
ab:ababxyz
|
||
0: ab:abab
|
||
1: ab
|
||
\= Expect no match
|
||
a:axyz
|
||
No match
|
||
ab:abxyz
|
||
No match
|
||
|
||
/^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x
|
||
abd
|
||
0: abd
|
||
1: a
|
||
ce
|
||
0: ce
|
||
|
||
/^(a.)\g-1Z/
|
||
aXaXZ
|
||
0: aXaXZ
|
||
1: aX
|
||
|
||
/^(a.)\g{-1}Z/
|
||
aXaXZ
|
||
0: aXaXZ
|
||
1: aX
|
||
|
||
/^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x
|
||
abcd
|
||
0: ab
|
||
|
||
/(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
|
||
(?(DEFINE)
|
||
(?<NAME_PAT>[a-z]+)
|
||
(?<ADDRESS_PAT>\d+)
|
||
)/x
|
||
metcalfe 33
|
||
0: metcalfe 33
|
||
1: metcalfe
|
||
2: 33
|
||
|
||
/(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
|
||
1.2.3.4
|
||
0: 1.2.3.4
|
||
1: <unset>
|
||
2: .4
|
||
131.111.10.206
|
||
0: 131.111.10.206
|
||
1: <unset>
|
||
2: .206
|
||
10.0.0.0
|
||
0: 10.0.0.0
|
||
1: <unset>
|
||
2: .0
|
||
\= Expect no match
|
||
10.6
|
||
No match
|
||
455.3.4.5
|
||
No match
|
||
|
||
/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
|
||
1.2.3.4
|
||
0: 1.2.3.4
|
||
1: .4
|
||
131.111.10.206
|
||
0: 131.111.10.206
|
||
1: .206
|
||
10.0.0.0
|
||
0: 10.0.0.0
|
||
1: .0
|
||
\= Expect no match
|
||
10.6
|
||
No match
|
||
455.3.4.5
|
||
No match
|
||
|
||
/^(\w++|\s++)*$/
|
||
now is the time for all good men to come to the aid of the party
|
||
0: now is the time for all good men to come to the aid of the party
|
||
1: party
|
||
\= Expect no match
|
||
this is not a line with only words and spaces!
|
||
No match
|
||
|
||
/(\d++)(\w)/
|
||
12345a
|
||
0: 12345a
|
||
1: 12345
|
||
2: a
|
||
\= Expect no match
|
||
12345+
|
||
No match
|
||
|
||
/a++b/
|
||
aaab
|
||
0: aaab
|
||
|
||
/(a++b)/
|
||
aaab
|
||
0: aaab
|
||
1: aaab
|
||
|
||
/(a++)b/
|
||
aaab
|
||
0: aaab
|
||
1: aaa
|
||
|
||
/([^()]++|\([^()]*\))+/
|
||
((abc(ade)ufh()()x
|
||
0: abc(ade)ufh()()x
|
||
1: x
|
||
|
||
/\(([^()]++|\([^()]+\))+\)/
|
||
(abc)
|
||
0: (abc)
|
||
1: abc
|
||
(abc(def)xyz)
|
||
0: (abc(def)xyz)
|
||
1: xyz
|
||
\= Expect no match
|
||
((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||
No match
|
||
|
||
/^([^()]|\((?1)*\))*$/
|
||
abc
|
||
0: abc
|
||
1: c
|
||
a(b)c
|
||
0: a(b)c
|
||
1: c
|
||
a(b(c))d
|
||
0: a(b(c))d
|
||
1: d
|
||
\= Expect no match)
|
||
a(b(c)d
|
||
No match
|
||
|
||
/^>abc>([^()]|\((?1)*\))*<xyz<$/
|
||
>abc>123<xyz<
|
||
0: >abc>123<xyz<
|
||
1: 3
|
||
>abc>1(2)3<xyz<
|
||
0: >abc>1(2)3<xyz<
|
||
1: 3
|
||
>abc>(1(2)3)<xyz<
|
||
0: >abc>(1(2)3)<xyz<
|
||
1: (1(2)3)
|
||
|
||
/^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i
|
||
1221
|
||
0: 1221
|
||
1: 1221
|
||
2: 1
|
||
Satanoscillatemymetallicsonatas
|
||
0: Satanoscillatemymetallicsonatas
|
||
1: <unset>
|
||
2: <unset>
|
||
3: Satanoscillatemymetallicsonatas
|
||
4: S
|
||
AmanaplanacanalPanama
|
||
0: AmanaplanacanalPanama
|
||
1: <unset>
|
||
2: <unset>
|
||
3: AmanaplanacanalPanama
|
||
4: A
|
||
AblewasIereIsawElba
|
||
0: AblewasIereIsawElba
|
||
1: <unset>
|
||
2: <unset>
|
||
3: AblewasIereIsawElba
|
||
4: A
|
||
\= Expect no match
|
||
Thequickbrownfox
|
||
No match
|
||
|
||
/^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/
|
||
12
|
||
0: 12
|
||
1: 12
|
||
(((2+2)*-3)-7)
|
||
0: (((2+2)*-3)-7)
|
||
1: (((2+2)*-3)-7)
|
||
2: -
|
||
-12
|
||
0: -12
|
||
1: -12
|
||
\= Expect no match
|
||
((2+2)*-3)-7)
|
||
No match
|
||
|
||
/^(x(y|(?1){2})z)/
|
||
xyz
|
||
0: xyz
|
||
1: xyz
|
||
2: y
|
||
xxyzxyzz
|
||
0: xxyzxyzz
|
||
1: xxyzxyzz
|
||
2: xyzxyz
|
||
\= Expect no match
|
||
xxyzz
|
||
No match
|
||
xxyzxyzxyzz
|
||
No match
|
||
|
||
/((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x
|
||
<>
|
||
0: <>
|
||
1: <>
|
||
2: <>
|
||
<abcd>
|
||
0: <abcd>
|
||
1: <abcd>
|
||
2: <abcd>
|
||
<abc <123> hij>
|
||
0: <abc <123> hij>
|
||
1: <abc <123> hij>
|
||
2: <abc <123> hij>
|
||
<abc <def> hij>
|
||
0: <def>
|
||
1: <def>
|
||
2: <def>
|
||
<abc<>def>
|
||
0: <abc<>def>
|
||
1: <abc<>def>
|
||
2: <abc<>def>
|
||
<abc<>
|
||
0: <>
|
||
1: <>
|
||
2: <>
|
||
\= Expect no match
|
||
<abc
|
||
No match
|
||
|
||
/^a+(*FAIL)/
|
||
\= Expect no match
|
||
aaaaaa
|
||
No match
|
||
|
||
/a+b?c+(*FAIL)/
|
||
\= Expect no match
|
||
aaabccc
|
||
No match
|
||
|
||
/a+b?(*PRUNE)c+(*FAIL)/
|
||
\= Expect no match
|
||
aaabccc
|
||
No match
|
||
|
||
/a+b?(*COMMIT)c+(*FAIL)/
|
||
\= Expect no match
|
||
aaabccc
|
||
No match
|
||
|
||
/a+b?(*SKIP)c+(*FAIL)/
|
||
\= Expect no match
|
||
aaabcccaaabccc
|
||
No match
|
||
|
||
/^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
|
||
aaaxxxxxx
|
||
0: aaaxxxxxx
|
||
aaa++++++
|
||
0: aaa
|
||
bbbxxxxx
|
||
0: bbbxxxxx
|
||
bbb+++++
|
||
0: bbb
|
||
cccxxxx
|
||
0: cccxxxx
|
||
ccc++++
|
||
0: ccc
|
||
dddddddd
|
||
0: ddd
|
||
|
||
/^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
|
||
aaaxxxxxx
|
||
0: aaaxxxxxx
|
||
1: aaaxxxxxx
|
||
aaa++++++
|
||
0: aaa
|
||
1: aaa
|
||
bbbxxxxx
|
||
0: bbbxxxxx
|
||
1: bbbxxxxx
|
||
bbb+++++
|
||
0: bbb
|
||
1: bbb
|
||
cccxxxx
|
||
0: cccxxxx
|
||
1: cccxxxx
|
||
ccc++++
|
||
0: ccc
|
||
1: ccc
|
||
dddddddd
|
||
0: ddd
|
||
1: ddd
|
||
|
||
/a+b?(*THEN)c+(*FAIL)/
|
||
\= Expect no match
|
||
aaabccc
|
||
No match
|
||
|
||
/(A (A|B(*ACCEPT)|C) D)(E)/x
|
||
AB
|
||
0: AB
|
||
1: AB
|
||
2: B
|
||
ABX
|
||
0: AB
|
||
1: AB
|
||
2: B
|
||
AADE
|
||
0: AADE
|
||
1: AAD
|
||
2: A
|
||
3: E
|
||
ACDE
|
||
0: ACDE
|
||
1: ACD
|
||
2: C
|
||
3: E
|
||
\= Expect no match
|
||
AD
|
||
No match
|
||
|
||
/^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i
|
||
1221
|
||
0: 1221
|
||
1: 1221
|
||
2: 1
|
||
Satan, oscillate my metallic sonatas!
|
||
0: Satan, oscillate my metallic sonatas!
|
||
1: <unset>
|
||
2: <unset>
|
||
3: Satan, oscillate my metallic sonatas
|
||
4: S
|
||
A man, a plan, a canal: Panama!
|
||
0: A man, a plan, a canal: Panama!
|
||
1: <unset>
|
||
2: <unset>
|
||
3: A man, a plan, a canal: Panama
|
||
4: A
|
||
Able was I ere I saw Elba.
|
||
0: Able was I ere I saw Elba.
|
||
1: <unset>
|
||
2: <unset>
|
||
3: Able was I ere I saw Elba
|
||
4: A
|
||
\= Expect no match
|
||
The quick brown fox
|
||
No match
|
||
|
||
/^((.)(?1)\2|.)$/
|
||
a
|
||
0: a
|
||
1: a
|
||
aba
|
||
0: aba
|
||
1: aba
|
||
2: a
|
||
aabaa
|
||
0: aabaa
|
||
1: aabaa
|
||
2: a
|
||
abcdcba
|
||
0: abcdcba
|
||
1: abcdcba
|
||
2: a
|
||
pqaabaaqp
|
||
0: pqaabaaqp
|
||
1: pqaabaaqp
|
||
2: p
|
||
ablewasiereisawelba
|
||
0: ablewasiereisawelba
|
||
1: ablewasiereisawelba
|
||
2: a
|
||
\= Expect no match
|
||
rhubarb
|
||
No match
|
||
the quick brown fox
|
||
No match
|
||
|
||
/(a)(?<=b(?1))/
|
||
baz
|
||
0: a
|
||
1: a
|
||
\= Expect no match
|
||
caz
|
||
No match
|
||
|
||
/(?<=b(?1))(a)/
|
||
zbaaz
|
||
0: a
|
||
1: a
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/(?<X>a)(?<=b(?&X))/
|
||
baz
|
||
0: a
|
||
1: a
|
||
|
||
/^(?|(abc)|(def))\1/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
defdef
|
||
0: defdef
|
||
1: def
|
||
\= Expect no match
|
||
abcdef
|
||
No match
|
||
defabc
|
||
No match
|
||
|
||
/^(?|(abc)|(def))(?1)/
|
||
abcabc
|
||
0: abcabc
|
||
1: abc
|
||
defabc
|
||
0: defabc
|
||
1: def
|
||
\= Expect no match
|
||
defdef
|
||
No match
|
||
abcdef
|
||
No match
|
||
|
||
/(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |b(?<quote> (?<apostrophe>')|(?<realquote>")) ) (?('quote')[a-z]+|[0-9]+)/x,dupnames
|
||
a\"aaaaa
|
||
0: a"aaaaa
|
||
1: "
|
||
2: <unset>
|
||
3: "
|
||
b\"aaaaa
|
||
0: b"aaaaa
|
||
1: <unset>
|
||
2: <unset>
|
||
3: <unset>
|
||
4: "
|
||
5: <unset>
|
||
6: "
|
||
\= Expect no match
|
||
b\"11111
|
||
No match
|
||
|
||
/(?:(?1)|B)(A(*F)|C)/
|
||
ABCD
|
||
0: BC
|
||
1: C
|
||
CCD
|
||
0: CC
|
||
1: C
|
||
\= Expect no match
|
||
CAD
|
||
No match
|
||
|
||
/^(?:(?1)|B)(A(*F)|C)/
|
||
CCD
|
||
0: CC
|
||
1: C
|
||
BCD
|
||
0: BC
|
||
1: C
|
||
\= Expect no match
|
||
ABCD
|
||
No match
|
||
CAD
|
||
No match
|
||
BAD
|
||
No match
|
||
|
||
/(?:(?1)|B)(A(*ACCEPT)XX|C)D/
|
||
AAD
|
||
0: AA
|
||
1: A
|
||
ACD
|
||
0: ACD
|
||
1: C
|
||
BAD
|
||
0: BA
|
||
1: A
|
||
BCD
|
||
0: BCD
|
||
1: C
|
||
BAX
|
||
0: BA
|
||
1: A
|
||
\= Expect no match
|
||
ACX
|
||
No match
|
||
ABC
|
||
No match
|
||
|
||
/(?(DEFINE)(A))B(?1)C/
|
||
BAC
|
||
0: BAC
|
||
|
||
/(?(DEFINE)((A)\2))B(?1)C/
|
||
BAAC
|
||
0: BAAC
|
||
|
||
/(?<pn> \( ( [^()]++ | (?&pn) )* \) )/x
|
||
(ab(cd)ef)
|
||
0: (ab(cd)ef)
|
||
1: (ab(cd)ef)
|
||
2: ef
|
||
|
||
/^(?=a(*SKIP)b|ac)/
|
||
\= Expect no match
|
||
ac
|
||
No match
|
||
|
||
/^(?=a(*PRUNE)b)/
|
||
ab
|
||
0:
|
||
\= Expect no match
|
||
ac
|
||
No match
|
||
|
||
/^(?=a(*ACCEPT)b)/
|
||
ac
|
||
0:
|
||
|
||
/(?>a\Kb)/
|
||
ab
|
||
0: b
|
||
|
||
/((?>a\Kb))/
|
||
ab
|
||
0: b
|
||
1: ab
|
||
|
||
/(a\Kb)/
|
||
ab
|
||
0: b
|
||
1: ab
|
||
|
||
/^a\Kcz|ac/
|
||
ac
|
||
0: ac
|
||
|
||
/(?>a\Kbz|ab)/
|
||
ab
|
||
0: ab
|
||
|
||
/^(?&t)(?(DEFINE)(?<t>a\Kb))$/
|
||
ab
|
||
0: b
|
||
|
||
/^([^()]|\((?1)*\))*$/
|
||
a(b)c
|
||
0: a(b)c
|
||
1: c
|
||
a(b(c)d)e
|
||
0: a(b(c)d)e
|
||
1: e
|
||
|
||
/(?P<L1>(?P<L2>0)(?P>L1)|(?P>L2))/
|
||
0
|
||
0: 0
|
||
1: 0
|
||
00
|
||
0: 00
|
||
1: 00
|
||
2: 0
|
||
0000
|
||
0: 0000
|
||
1: 0000
|
||
2: 0
|
||
|
||
/(?P<L1>(?P<L2>0)|(?P>L2)(?P>L1))/
|
||
0
|
||
0: 0
|
||
1: 0
|
||
2: 0
|
||
00
|
||
0: 0
|
||
1: 0
|
||
2: 0
|
||
0000
|
||
0: 0
|
||
1: 0
|
||
2: 0
|
||
|
||
# This one does fail, as expected, in Perl. It needs the complex item at the
|
||
# end of the pattern. A single letter instead of (B|D) makes it not fail, which
|
||
# I think is a Perl bug.
|
||
|
||
/A(*COMMIT)(B|D)/
|
||
\= Expect no match
|
||
ACABX
|
||
No match
|
||
|
||
# Check the use of names for failure
|
||
|
||
/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark
|
||
\= Expect no match
|
||
AC
|
||
No match, mark = A
|
||
CB
|
||
No match, mark = B
|
||
|
||
/(*MARK:A)(*SKIP:B)(C|X)/mark
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: A
|
||
\= Expect no match
|
||
D
|
||
No match, mark = A
|
||
|
||
/^(A(*THEN:A)B|C(*THEN:B)D)/mark
|
||
\= Expect no match
|
||
CB
|
||
No match, mark = B
|
||
|
||
/^(?:A(*THEN:A)B|C(*THEN:B)D)/mark
|
||
\= Expect no match
|
||
CB
|
||
No match, mark = B
|
||
|
||
/^(?>A(*THEN:A)B|C(*THEN:B)D)/mark
|
||
\= Expect no match
|
||
CB
|
||
No match, mark = B
|
||
|
||
# This should succeed, as the skip causes bump to offset 1 (the mark). Note
|
||
# that we have to have something complicated such as (B|Z) at the end because,
|
||
# for Perl, a simple character somehow causes an unwanted optimization to mess
|
||
# with the handling of backtracking verbs.
|
||
|
||
/A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/x,mark
|
||
AAAC
|
||
0: AC
|
||
|
||
# Test skipping over a non-matching mark.
|
||
|
||
/A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/x,mark
|
||
AAAC
|
||
0: AC
|
||
|
||
# Check shorthand for MARK.
|
||
|
||
/A(*:A)A+(*SKIP:A)(B|Z) | AC/x,mark
|
||
AAAC
|
||
0: AC
|
||
|
||
/(*:A)A+(*SKIP:A)(B|Z)/mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = A
|
||
|
||
# This should succeed, as a non-existent skip name disables the skip.
|
||
|
||
/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark
|
||
AAAC
|
||
0: AC
|
||
|
||
/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/x,mark
|
||
AAAC
|
||
0: AC
|
||
MK: B
|
||
|
||
# COMMIT at the start of a pattern should act like an anchor. Again, however,
|
||
# we need the complication for Perl.
|
||
|
||
/(*COMMIT)(A|P)(B|P)(C|P)/
|
||
ABCDEFG
|
||
0: ABC
|
||
1: A
|
||
2: B
|
||
3: C
|
||
\= Expect no match
|
||
DEFGABC
|
||
No match
|
||
|
||
# COMMIT inside an atomic group can't stop backtracking over the group.
|
||
|
||
/(\w+)(?>b(*COMMIT))\w{2}/
|
||
abbb
|
||
0: abbb
|
||
1: a
|
||
|
||
/(\w+)b(*COMMIT)\w{2}/
|
||
\= Expect no match
|
||
abbb
|
||
No match
|
||
|
||
# Check opening parens in comment when seeking forward reference.
|
||
|
||
/(?&t)(?#()(?(DEFINE)(?<t>a))/
|
||
bac
|
||
0: a
|
||
|
||
# COMMIT should override THEN.
|
||
|
||
/(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/
|
||
\= Expect no match
|
||
yes
|
||
No match
|
||
|
||
/(?>(*COMMIT)(yes|no)(*THEN)(*F))?/
|
||
\= Expect no match
|
||
yes
|
||
No match
|
||
|
||
/b?(*SKIP)c/
|
||
bc
|
||
0: bc
|
||
abc
|
||
0: bc
|
||
|
||
/(*SKIP)bc/
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
|
||
/(*SKIP)b/
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
|
||
/(?P<abn>(?P=abn)xxx|)+/
|
||
xxx
|
||
0:
|
||
1:
|
||
|
||
/(?i:([^b]))(?1)/
|
||
aa
|
||
0: aa
|
||
1: a
|
||
aA
|
||
0: aA
|
||
1: a
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
aB
|
||
No match
|
||
Ba
|
||
No match
|
||
ba
|
||
No match
|
||
|
||
/^(?&t)*+(?(DEFINE)(?<t>a))\w$/
|
||
aaaaaaX
|
||
0: aaaaaaX
|
||
\= Expect no match
|
||
aaaaaa
|
||
No match
|
||
|
||
/^(?&t)*(?(DEFINE)(?<t>a))\w$/
|
||
aaaaaaX
|
||
0: aaaaaaX
|
||
aaaaaa
|
||
0: aaaaaa
|
||
|
||
/^(a)*+(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: a
|
||
2: X
|
||
YZ
|
||
0: Y
|
||
1: <unset>
|
||
2: Y
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
|
||
/^(?:a)*+(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: X
|
||
YZ
|
||
0: Y
|
||
1: Y
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
|
||
/^(a)++(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: a
|
||
2: X
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
YZ
|
||
No match
|
||
|
||
/^(?:a)++(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: X
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
YZ
|
||
No match
|
||
|
||
/^(a)?+(\w)/
|
||
aaaaX
|
||
0: aa
|
||
1: a
|
||
2: a
|
||
YZ
|
||
0: Y
|
||
1: <unset>
|
||
2: Y
|
||
|
||
/^(?:a)?+(\w)/
|
||
aaaaX
|
||
0: aa
|
||
1: a
|
||
YZ
|
||
0: Y
|
||
1: Y
|
||
|
||
/^(a){2,}+(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: a
|
||
2: X
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
YZ
|
||
No match
|
||
|
||
/^(?:a){2,}+(\w)/
|
||
aaaaX
|
||
0: aaaaX
|
||
1: X
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
YZ
|
||
No match
|
||
|
||
/(a|)*(?1)b/
|
||
b
|
||
0: b
|
||
1:
|
||
ab
|
||
0: ab
|
||
1:
|
||
aab
|
||
0: aab
|
||
1:
|
||
|
||
/(a)++(?1)b/
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
aab
|
||
No match
|
||
|
||
/(a)*+(?1)b/
|
||
\= Expect no match
|
||
ab
|
||
No match
|
||
aab
|
||
No match
|
||
|
||
/(?1)(?:(b)){0}/
|
||
b
|
||
0: b
|
||
|
||
/(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x
|
||
foo(bar(baz)+baz(bop))
|
||
0: foo(bar(baz)+baz(bop))
|
||
1: foo(bar(baz)+baz(bop))
|
||
2: (bar(baz)+baz(bop))
|
||
3: bar(baz)+baz(bop)
|
||
|
||
/(A (A|B(*ACCEPT)|C) D)(E)/x
|
||
AB
|
||
0: AB
|
||
1: AB
|
||
2: B
|
||
|
||
/\A.*?(a|bc)/
|
||
ba
|
||
0: ba
|
||
1: a
|
||
|
||
/\A.*?(?:a|bc)++/
|
||
ba
|
||
0: ba
|
||
|
||
/\A.*?(a|bc)++/
|
||
ba
|
||
0: ba
|
||
1: a
|
||
|
||
/\A.*?(?:a|bc|d)/
|
||
ba
|
||
0: ba
|
||
|
||
/(?:(b))++/
|
||
beetle
|
||
0: b
|
||
1: b
|
||
|
||
/(?(?=(a(*ACCEPT)z))a)/
|
||
a
|
||
0: a
|
||
1: a
|
||
|
||
/^(a)(?1)+ab/
|
||
aaaab
|
||
0: aaaab
|
||
1: a
|
||
|
||
/^(a)(?1)++ab/
|
||
\= Expect no match
|
||
aaaab
|
||
No match
|
||
|
||
/^(?=a(*:M))aZ/mark
|
||
aZbc
|
||
0: aZ
|
||
MK: M
|
||
|
||
/^(?!(*:M)b)aZ/mark
|
||
aZbc
|
||
0: aZ
|
||
|
||
/(?(DEFINE)(a))?b(?1)/
|
||
backgammon
|
||
0: ba
|
||
|
||
/^\N+/
|
||
abc\ndef
|
||
0: abc
|
||
|
||
/^\N{1,}/
|
||
abc\ndef
|
||
0: abc
|
||
|
||
/(?(R)a+|(?R)b)/
|
||
aaaabcde
|
||
0: aaaab
|
||
|
||
/(?(R)a+|((?R))b)/
|
||
aaaabcde
|
||
0: aaaab
|
||
1: aaaa
|
||
|
||
/((?(R)a+|(?1)b))/
|
||
aaaabcde
|
||
0: aaaab
|
||
1: aaaab
|
||
|
||
/((?(R1)a+|(?1)b))/
|
||
aaaabcde
|
||
0: aaaab
|
||
1: aaaab
|
||
|
||
/((?(R)a|(?1)))*/
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
|
||
/((?(R)a|(?1)))+/
|
||
aaa
|
||
0: aaa
|
||
1: a
|
||
|
||
/a(*:any
|
||
name)/mark
|
||
abc
|
||
0: a
|
||
MK: any \x0aname
|
||
|
||
/(?>(?&t)c|(?&t))(?(DEFINE)(?<t>a|b(*PRUNE)c))/
|
||
a
|
||
0: a
|
||
ba
|
||
0: a
|
||
bba
|
||
0: a
|
||
|
||
# Checking revised (*THEN) handling.
|
||
|
||
# Capture
|
||
|
||
/^.*? (a(*THEN)b) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/^.*? (a(*THEN)b|(*F)) c/x
|
||
aabc
|
||
0: aabc
|
||
1: ab
|
||
|
||
/^.*? ( (a(*THEN)b) | (*F) ) c/x
|
||
aabc
|
||
0: aabc
|
||
1: ab
|
||
2: ab
|
||
|
||
/^.*? ( (a(*THEN)b) ) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
# Non-capture
|
||
|
||
/^.*? (?:a(*THEN)b) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/^.*? (?:a(*THEN)b|(*F)) c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?: (?:a(*THEN)b) | (*F) ) c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?: (?:a(*THEN)b) ) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
# Atomic
|
||
|
||
/^.*? (?>a(*THEN)b) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/^.*? (?>a(*THEN)b|(*F)) c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?> (?>a(*THEN)b) | (*F) ) c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?> (?>a(*THEN)b) ) c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
# Possessive capture
|
||
|
||
/^.*? (a(*THEN)b)++ c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/^.*? (a(*THEN)b|(*F))++ c/x
|
||
aabc
|
||
0: aabc
|
||
1: ab
|
||
|
||
/^.*? ( (a(*THEN)b)++ | (*F) )++ c/x
|
||
aabc
|
||
0: aabc
|
||
1: ab
|
||
2: ab
|
||
|
||
/^.*? ( (a(*THEN)b)++ )++ c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
# Possessive non-capture
|
||
|
||
/^.*? (?:a(*THEN)b)++ c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
/^.*? (?:a(*THEN)b|(*F))++ c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x
|
||
aabc
|
||
0: aabc
|
||
|
||
/^.*? (?: (?:a(*THEN)b)++ )++ c/x
|
||
\= Expect no match
|
||
aabc
|
||
No match
|
||
|
||
# Condition assertion
|
||
|
||
/^(?(?=a(*THEN)b)ab|ac)/
|
||
ac
|
||
0: ac
|
||
|
||
# Condition
|
||
|
||
/^.*?(?(?=a)a|b(*THEN)c)/
|
||
\= Expect no match
|
||
ba
|
||
No match
|
||
|
||
/^.*?(?:(?(?=a)a|b(*THEN)c)|d)/
|
||
ba
|
||
0: ba
|
||
|
||
/^.*?(?(?=a)a(*THEN)b|c)/
|
||
\= Expect no match
|
||
ac
|
||
No match
|
||
|
||
# Assertion
|
||
|
||
/^.*(?=a(*THEN)b)/
|
||
aabc
|
||
0: a
|
||
|
||
# --------------------------
|
||
|
||
/(?>a(*:m))/imsx,mark
|
||
a
|
||
0: a
|
||
MK: m
|
||
|
||
/(?>(a)(*:m))/imsx,mark
|
||
a
|
||
0: a
|
||
1: a
|
||
MK: m
|
||
|
||
/(?<=a(*ACCEPT)b)c/
|
||
xacd
|
||
0: c
|
||
|
||
/(?<=(a(*ACCEPT)b))c/
|
||
xacd
|
||
0: c
|
||
1: a
|
||
|
||
/(?<=(a(*COMMIT)b))c/
|
||
xabcd
|
||
0: c
|
||
1: ab
|
||
\= Expect no match
|
||
xacd
|
||
No match
|
||
|
||
/(?<!a(*FAIL)b)c/
|
||
xcd
|
||
0: c
|
||
acd
|
||
0: c
|
||
|
||
/(?<=a(*:N)b)c/mark
|
||
xabcd
|
||
0: c
|
||
MK: N
|
||
|
||
/(?<=a(*PRUNE)b)c/
|
||
xabcd
|
||
0: c
|
||
|
||
/(?<=a(*SKIP)b)c/
|
||
xabcd
|
||
0: c
|
||
|
||
/(?<=a(*THEN)b)c/
|
||
xabcd
|
||
0: c
|
||
|
||
/(a)(?2){2}(.)/
|
||
abcd
|
||
0: abcd
|
||
1: a
|
||
2: d
|
||
|
||
/(*MARK:A)(*PRUNE:B)(C|X)/mark
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: B
|
||
\= Expect no match
|
||
D
|
||
No match, mark = B
|
||
|
||
/(*MARK:A)(*PRUNE:B)(C|X)/mark
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: B
|
||
\= Expect no match
|
||
D
|
||
No match, mark = B
|
||
|
||
/(*MARK:A)(*THEN:B)(C|X)/mark
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: B
|
||
\= Expect no match
|
||
D
|
||
No match, mark = B
|
||
|
||
/(*MARK:A)(*THEN:B)(C|X)/mark,no_start_optimize
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: B
|
||
\= Expect no match
|
||
D
|
||
No match, mark = B
|
||
|
||
/(*MARK:A)(*THEN:B)(C|X)/mark
|
||
C
|
||
0: C
|
||
1: C
|
||
MK: B
|
||
\= Expect no match
|
||
D
|
||
No match, mark = B
|
||
|
||
# This should fail, as the skip causes a bump to offset 3 (the skip).
|
||
|
||
/A(*MARK:A)A+(*SKIP)(B|Z) | AC/x,mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = A
|
||
|
||
# Same
|
||
|
||
/A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/x,mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = B
|
||
|
||
/A(*:A)A+(*SKIP)(B|Z) | AC/x,mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = A
|
||
|
||
# This should fail, as a null name is the same as no name.
|
||
|
||
/A(*MARK:A)A+(*SKIP:)(B|Z) | AC/x,mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = A
|
||
|
||
# A check on what happens after hitting a mark and them bumping along to
|
||
# something that does not even start. Perl reports tags after the failures
|
||
# here, though it does not when the individual letters are made into something
|
||
# more complicated.
|
||
|
||
/A(*:A)B|XX(*:B)Y/mark
|
||
AABC
|
||
0: AB
|
||
MK: A
|
||
XXYZ
|
||
0: XXY
|
||
MK: B
|
||
\= Expect no match
|
||
XAQQ
|
||
No match, mark = A
|
||
XAQQXZZ
|
||
No match, mark = A
|
||
AXQQQ
|
||
No match, mark = A
|
||
AXXQQQ
|
||
No match, mark = B
|
||
|
||
/^(A(*THEN:A)B|C(*THEN:B)D)/mark
|
||
AB
|
||
0: AB
|
||
1: AB
|
||
MK: A
|
||
CD
|
||
0: CD
|
||
1: CD
|
||
MK: B
|
||
\= Expect no match
|
||
AC
|
||
No match, mark = A
|
||
CB
|
||
No match, mark = B
|
||
|
||
/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark
|
||
AB
|
||
0: AB
|
||
1: AB
|
||
MK: A
|
||
CD
|
||
0: CD
|
||
1: CD
|
||
MK: B
|
||
\= Expect no match
|
||
AC
|
||
No match, mark = A
|
||
CB
|
||
No match, mark = B
|
||
|
||
# An empty name does not pass back an empty string. It is the same as if no
|
||
# name were given.
|
||
|
||
/^(A(*PRUNE:)B|C(*PRUNE:B)D)/mark
|
||
AB
|
||
0: AB
|
||
1: AB
|
||
CD
|
||
0: CD
|
||
1: CD
|
||
MK: B
|
||
|
||
# PRUNE goes to next bumpalong; COMMIT does not.
|
||
|
||
/A(*PRUNE:A)B/mark
|
||
ACAB
|
||
0: AB
|
||
MK: A
|
||
|
||
# Mark names can be duplicated.
|
||
|
||
/A(*:A)B|X(*:A)Y/mark
|
||
AABC
|
||
0: AB
|
||
MK: A
|
||
XXYZ
|
||
0: XY
|
||
MK: A
|
||
|
||
/b(*:m)f|a(*:n)w/mark
|
||
aw
|
||
0: aw
|
||
MK: n
|
||
\= Expect no match
|
||
abc
|
||
No match, mark = m
|
||
|
||
/b(*:m)f|aw/mark
|
||
abaw
|
||
0: aw
|
||
\= Expect no match
|
||
abc
|
||
No match, mark = m
|
||
abax
|
||
No match, mark = m
|
||
|
||
/A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/x,mark
|
||
AAAC
|
||
0: AAC
|
||
|
||
/(?=a(*MARK:A)b)..x/mark
|
||
abxy
|
||
0: abx
|
||
MK: A
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(?=a(*MARK:A)b)..(*:Y)x/mark
|
||
abxy
|
||
0: abx
|
||
MK: Y
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(?=a(*PRUNE:A)b)..x/mark
|
||
abxy
|
||
0: abx
|
||
MK: A
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(?=a(*PRUNE:A)b)..(*:Y)x/mark
|
||
abxy
|
||
0: abx
|
||
MK: Y
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(?=a(*THEN:A)b)..x/mark
|
||
abxy
|
||
0: abx
|
||
MK: A
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(?=a(*THEN:A)b)..(*:Y)x/mark
|
||
abxy
|
||
0: abx
|
||
MK: Y
|
||
\= Expect no match
|
||
abpq
|
||
No match
|
||
|
||
/(another)?(\1?)test/
|
||
hello world test
|
||
0: test
|
||
1: <unset>
|
||
2:
|
||
|
||
/(another)?(\1+)test/
|
||
\= Expect no match
|
||
hello world test
|
||
No match
|
||
|
||
/(a(*COMMIT)b){0}a(?1)|aac/
|
||
aac
|
||
0: aac
|
||
|
||
/((?:a?)*)*c/
|
||
aac
|
||
0: aac
|
||
1:
|
||
|
||
/((?>a?)*)*c/
|
||
aac
|
||
0: aac
|
||
1:
|
||
|
||
/(?>.*?a)(?<=ba)/
|
||
aba
|
||
0: ba
|
||
|
||
/(?:.*?a)(?<=ba)/
|
||
aba
|
||
0: aba
|
||
|
||
/(?>.*?a)b/s
|
||
aab
|
||
0: ab
|
||
|
||
/(?>.*?a)b/
|
||
aab
|
||
0: ab
|
||
|
||
/(?>^a)b/s
|
||
\= Expect no match
|
||
aab
|
||
No match
|
||
|
||
/(?>.*?)(?<=(abcd)|(wxyz))/
|
||
alphabetabcd
|
||
0:
|
||
1: abcd
|
||
endingwxyz
|
||
0:
|
||
1: <unset>
|
||
2: wxyz
|
||
|
||
/(?>.*)(?<=(abcd)|(wxyz))/
|
||
alphabetabcd
|
||
0: alphabetabcd
|
||
1: abcd
|
||
endingwxyz
|
||
0: endingwxyz
|
||
1: <unset>
|
||
2: wxyz
|
||
|
||
/(?>.*)foo/
|
||
\= Expect no match
|
||
abcdfooxyz
|
||
No match
|
||
|
||
/(?>.*?)foo/
|
||
abcdfooxyz
|
||
0: foo
|
||
|
||
/(?:(a(*PRUNE)b)){0}(?:(?1)|ac)/
|
||
ac
|
||
0: ac
|
||
|
||
/(?:(a(*SKIP)b)){0}(?:(?1)|ac)/
|
||
ac
|
||
0: ac
|
||
|
||
/(?<=(*SKIP)ac)a/
|
||
\= Expect no match
|
||
aa
|
||
No match
|
||
|
||
/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark
|
||
AAAC
|
||
0: AC
|
||
|
||
/a(*SKIP:m)x|ac(*:n)(*SKIP:n)d|ac/mark
|
||
acacd
|
||
0: acd
|
||
MK: n
|
||
|
||
/A(*SKIP:m)x|A(*SKIP:n)x|AB/mark
|
||
AB
|
||
0: AB
|
||
|
||
/((*SKIP:r)d){0}a(*SKIP:m)x|ac(*:n)|ac/mark
|
||
acacd
|
||
0: ac
|
||
MK: n
|
||
|
||
# Tests that try to figure out how Perl works. My hypothesis is that the first
|
||
# verb that is backtracked onto is the one that acts. This seems to be the case
|
||
# almost all the time, but there is one exception that is perhaps a bug.
|
||
|
||
# This matches "aaaac"; each PRUNE advances one character until the subject no
|
||
# longer starts with 5 'a's.
|
||
|
||
/aaaaa(*PRUNE)b|a+c/
|
||
aaaaaac
|
||
0: aaaac
|
||
|
||
# Putting SKIP in front of PRUNE makes no difference, as it is never
|
||
# backtracked onto, whether or not it has a label.
|
||
|
||
/aaaaa(*SKIP)(*PRUNE)b|a+c/
|
||
aaaaaac
|
||
0: aaaac
|
||
|
||
/aaaaa(*SKIP:N)(*PRUNE)b|a+c/
|
||
aaaaaac
|
||
0: aaaac
|
||
|
||
/aaaa(*:N)a(*SKIP:N)(*PRUNE)b|a+c/
|
||
aaaaaac
|
||
0: aaaac
|
||
|
||
# Putting THEN in front makes no difference.
|
||
|
||
/aaaaa(*THEN)(*PRUNE)b|a+c/
|
||
aaaaaac
|
||
0: aaaac
|
||
|
||
# However, putting COMMIT in front of the prune changes it to "no match". I
|
||
# think this is inconsistent and possibly a bug. For the moment, running this
|
||
# test is moved out of the Perl-compatible file.
|
||
|
||
/aaaaa(*COMMIT)(*PRUNE)b|a+c/
|
||
|
||
# OK, lets play the same game again using SKIP instead of PRUNE.
|
||
|
||
# This matches "ac" because SKIP forces the next match to start on the
|
||
# sixth "a".
|
||
|
||
/aaaaa(*SKIP)b|a+c/
|
||
aaaaaac
|
||
0: ac
|
||
|
||
# Putting PRUNE in front makes no difference.
|
||
|
||
/aaaaa(*PRUNE)(*SKIP)b|a+c/
|
||
aaaaaac
|
||
0: ac
|
||
|
||
# Putting THEN in front makes no difference.
|
||
|
||
/aaaaa(*THEN)(*SKIP)b|a+c/
|
||
aaaaaac
|
||
0: ac
|
||
|
||
# In this case, neither does COMMIT. This still matches "ac".
|
||
|
||
/aaaaa(*COMMIT)(*SKIP)b|a+c/
|
||
aaaaaac
|
||
0: ac
|
||
|
||
# This gives "no match", as expected.
|
||
|
||
/aaaaa(*COMMIT)b|a+c/
|
||
\= Expect no match
|
||
aaaaaac
|
||
No match
|
||
|
||
# ---- Tests using THEN ----
|
||
|
||
# This matches "aaaaaac", as expected.
|
||
|
||
/aaaaa(*THEN)b|a+c/
|
||
aaaaaac
|
||
0: aaaaaac
|
||
|
||
# Putting SKIP in front makes no difference.
|
||
|
||
/aaaaa(*SKIP)(*THEN)b|a+c/
|
||
aaaaaac
|
||
0: aaaaaac
|
||
|
||
# Putting PRUNE in front makes no difference.
|
||
|
||
/aaaaa(*PRUNE)(*THEN)b|a+c/
|
||
aaaaaac
|
||
0: aaaaaac
|
||
|
||
# Putting COMMIT in front makes no difference.
|
||
|
||
/aaaaa(*COMMIT)(*THEN)b|a+c/
|
||
aaaaaac
|
||
0: aaaaaac
|
||
|
||
# End of "priority" tests
|
||
|
||
/aaaaa(*:m)(*PRUNE:m)(*SKIP:m)m|a+/
|
||
aaaaaa
|
||
0: a
|
||
|
||
/aaaaa(*:m)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/
|
||
aaaaaa
|
||
0: a
|
||
|
||
/aaaaa(*:n)(*PRUNE:m)(*SKIP:m)m|a+/
|
||
aaaaaa
|
||
0: aaaa
|
||
|
||
/aaaaa(*:n)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/
|
||
aaaaaa
|
||
0: a
|
||
|
||
/a(*MARK:A)aa(*PRUNE:A)a(*SKIP:A)b|a+c/
|
||
aaaac
|
||
0: aac
|
||
|
||
/a(*MARK:A)aa(*MARK:A)a(*SKIP:A)b|a+c/
|
||
aaaac
|
||
0: ac
|
||
|
||
/aaa(*PRUNE:A)a(*SKIP:A)b|a+c/
|
||
aaaac
|
||
0: aac
|
||
|
||
/aaa(*MARK:A)a(*SKIP:A)b|a+c/
|
||
aaaac
|
||
0: ac
|
||
|
||
/a(*:m)a(*COMMIT)(*SKIP:m)b|a+c/mark
|
||
aaaaaac
|
||
0: ac
|
||
|
||
/.?(a|b(*THEN)c)/
|
||
ba
|
||
0: ba
|
||
1: a
|
||
|
||
/(a(*COMMIT)b)c|abd/
|
||
abc
|
||
0: abc
|
||
1: ab
|
||
\= Expect no match
|
||
abd
|
||
No match
|
||
|
||
/(?=a(*COMMIT)b)abc|abd/
|
||
abc
|
||
0: abc
|
||
abd
|
||
0: abd
|
||
|
||
/(?>a(*COMMIT)b)c|abd/
|
||
abc
|
||
0: abc
|
||
abd
|
||
0: abd
|
||
|
||
/a(?=b(*COMMIT)c)[^d]|abd/
|
||
abc
|
||
0: ab
|
||
\= Expect no match
|
||
abd
|
||
No match
|
||
|
||
/a(?=bc).|abd/
|
||
abd
|
||
0: abd
|
||
abc
|
||
0: ab
|
||
|
||
/a(?>b(*COMMIT)c)d|abd/
|
||
\= Expect no match
|
||
abceabd
|
||
No match
|
||
|
||
/a(?>bc)d|abd/
|
||
abceabd
|
||
0: abd
|
||
|
||
/(?>a(*COMMIT)b)c|abd/
|
||
abd
|
||
0: abd
|
||
|
||
/(?>a(*COMMIT)c)d|abd/
|
||
\= Expect no match
|
||
abd
|
||
No match
|
||
|
||
/((?=a(*COMMIT)b)ab|ac){0}(?:(?1)|a(c))/
|
||
ac
|
||
0: ac
|
||
1: <unset>
|
||
2: c
|
||
|
||
# These tests were formerly in test 2, but changes in PCRE and Perl have
|
||
# made them compatible.
|
||
|
||
/^(a)?(?(1)a|b)+$/
|
||
\= Expect no match
|
||
a
|
||
No match
|
||
|
||
/A(*PRUNE:A)A+(*SKIP:A)(B|Z) | AC/x,mark
|
||
\= Expect no match
|
||
AAAC
|
||
No match, mark = A
|
||
|
||
/^((abc|abcx)(*THEN)y|abcd)/
|
||
abcd
|
||
0: abcd
|
||
1: abcd
|
||
\= Expect no match
|
||
abcxy
|
||
No match
|
||
|
||
/^((yes|no)(*THEN)(*F))?/
|
||
\= Expect no match
|
||
yes
|
||
No match
|
||
|
||
/(A (.*) C? (*THEN) | A D) (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) C? (*THEN) | A D) z/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) C? (*THEN) | A D) \s* (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) C? (*THEN) | A D) \s* z/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (?:C|) (*THEN) | A D) (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (?:C|) (*THEN) | A D) z/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) C{0,6} (*THEN) | A D) (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) C{0,6} (*THEN) | A D) z/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (CE){0,6} (*THEN) | A D) (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCEBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (CE){0,6} (*THEN) | A D) z/x
|
||
\= Expect no match
|
||
AbcdCEBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (CE*){0,6} (*THEN) | A D) (*FAIL)/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(A (.*) (CE*){0,6} (*THEN) | A D) z/x
|
||
\= Expect no match
|
||
AbcdCBefgBhiBqz
|
||
No match
|
||
|
||
/(?=a(*COMMIT)b|ac)ac|ac/
|
||
\= Expect no match
|
||
ac
|
||
No match
|
||
|
||
/(?=a(*COMMIT)b|(ac)) ac | (a)c/x
|
||
\= Expect no match
|
||
ac
|
||
No match
|
||
|
||
# ----
|
||
|
||
/(?(?!b(*THEN)a)bn|bnn)/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?!b(*SKIP)a)bn|bnn/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?(?!b(*SKIP)a)bn|bnn)/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?!b(*PRUNE)a)bn|bnn/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?(?!b(*PRUNE)a)bn|bnn)/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?!b(*COMMIT)a)bn|bnn/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?(?!b(*COMMIT)a)bn|bnn)/
|
||
bnn
|
||
0: bn
|
||
|
||
/(?=b(*SKIP)a)bn|bnn/
|
||
\= Expect no match
|
||
bnn
|
||
No match
|
||
|
||
/(?=b(*THEN)a)bn|bnn/
|
||
bnn
|
||
0: bnn
|
||
|
||
/^(?!a(*SKIP)b)/
|
||
ac
|
||
0:
|
||
|
||
/^(?!a(*SKIP)b)../
|
||
acd
|
||
0: ac
|
||
|
||
/(?!a(*SKIP)b)../
|
||
acd
|
||
0: ac
|
||
|
||
/^(?(?!a(*SKIP)b))/
|
||
ac
|
||
0:
|
||
|
||
/^(?!a(*PRUNE)b)../
|
||
acd
|
||
0: ac
|
||
|
||
/(?!a(*PRUNE)b)../
|
||
acd
|
||
0: ac
|
||
|
||
/(?!a(*COMMIT)b)ac|cd/
|
||
ac
|
||
0: ac
|
||
|
||
/\A.*?(?:a|bc)/
|
||
ba
|
||
0: ba
|
||
|
||
/^(A(*THEN)B|C(*THEN)D)/
|
||
CD
|
||
0: CD
|
||
1: CD
|
||
|
||
/(*:m(m)(?&y)(?(DEFINE)(?<y>b))/mark
|
||
abc
|
||
0: b
|
||
MK: m(m
|
||
|
||
/(*PRUNE:m(m)(?&y)(?(DEFINE)(?<y>b))/mark
|
||
abc
|
||
0: b
|
||
MK: m(m
|
||
|
||
/(*SKIP:m(m)(?&y)(?(DEFINE)(?<y>b))/mark
|
||
abc
|
||
0: b
|
||
|
||
/(*THEN:m(m)(?&y)(?(DEFINE)(?<y>b))/mark
|
||
abc
|
||
0: b
|
||
MK: m(m
|
||
|
||
/^\d*\w{4}/
|
||
1234
|
||
0: 1234
|
||
\= Expect no match
|
||
123
|
||
No match
|
||
|
||
/^[^b]*\w{4}/
|
||
aaaa
|
||
0: aaaa
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/^[^b]*\w{4}/i
|
||
aaaa
|
||
0: aaaa
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/^a*\w{4}/
|
||
aaaa
|
||
0: aaaa
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/^a*\w{4}/i
|
||
aaaa
|
||
0: aaaa
|
||
\= Expect no match
|
||
aaa
|
||
No match
|
||
|
||
/(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames
|
||
foofoo
|
||
0: foofoo
|
||
1: foo
|
||
barbar
|
||
0: barbar
|
||
1: <unset>
|
||
2: bar
|
||
|
||
/(?<n>A)(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames
|
||
AfooA
|
||
0: AfooA
|
||
1: A
|
||
2: foo
|
||
AbarA
|
||
0: AbarA
|
||
1: A
|
||
2: <unset>
|
||
3: bar
|
||
\= Expect no match
|
||
Afoofoo
|
||
No match
|
||
Abarbar
|
||
No match
|
||
|
||
/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
|
||
1 IN SOA non-sp1 non-sp2(
|
||
0: 1 IN SOA non-sp1 non-sp2(
|
||
1: 1
|
||
2: non-sp1
|
||
3: non-sp2
|
||
|
||
/^ (?:(?<A>A)|(?'B'B)(?<A>A)) (?('A')x) (?(<B>)y)$/x,dupnames
|
||
Ax
|
||
0: Ax
|
||
1: A
|
||
BAxy
|
||
0: BAxy
|
||
1: <unset>
|
||
2: B
|
||
3: A
|
||
|
||
/^A\xZ/
|
||
A\0Z
|
||
0: A\x00Z
|
||
|
||
/^A\o{123}B/
|
||
A\123B
|
||
0: ASB
|
||
|
||
/ ^ a + + b $ /x
|
||
aaaab
|
||
0: aaaab
|
||
|
||
/ ^ a + #comment
|
||
+ b $ /x
|
||
aaaab
|
||
0: aaaab
|
||
|
||
/ ^ a + #comment
|
||
#comment
|
||
+ b $ /x
|
||
aaaab
|
||
0: aaaab
|
||
|
||
/ ^ (?> a + ) b $ /x
|
||
aaaab
|
||
0: aaaab
|
||
|
||
/ ^ ( a + ) + + \w $ /x
|
||
aaaab
|
||
0: aaaab
|
||
1: aaaa
|
||
|
||
/(?:a\Kb)*+/aftertext
|
||
ababc
|
||
0: b
|
||
0+ c
|
||
|
||
/(?>a\Kb)*/aftertext
|
||
ababc
|
||
0: b
|
||
0+ c
|
||
|
||
/(?:a\Kb)*/aftertext
|
||
ababc
|
||
0: b
|
||
0+ c
|
||
|
||
/(a\Kb)*+/aftertext
|
||
ababc
|
||
0: b
|
||
0+ c
|
||
1: ab
|
||
|
||
/(a\Kb)*/aftertext
|
||
ababc
|
||
0: b
|
||
0+ c
|
||
1: ab
|
||
|
||
/(?:x|(?:(xx|yy)+|x|x|x|x|x)|a|a|a)bc/
|
||
\= Expect no match
|
||
acb
|
||
No match
|
||
|
||
/\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++/
|
||
NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
|
||
0: NON QUOTED "QUOT""ED" AFTER
|
||
|
||
/\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++/
|
||
NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
|
||
0: NON QUOTED "QUOT""ED" AFTER
|
||
|
||
/\A(?:[^\"]++|\"(?:[^\"]++|\"\")++\")++/
|
||
NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
|
||
0: NON QUOTED "QUOT""ED" AFTER
|
||
|
||
/\A([^\"1]++|[\"2]([^\"3]*+|[\"4][\"5])*+[\"6])++/
|
||
NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
|
||
0: NON QUOTED "QUOT""ED" AFTER
|
||
1: AFTER
|
||
2:
|
||
|
||
/^\w+(?>\s*)(?<=\w)/
|
||
test test
|
||
0: tes
|
||
|
||
/(?P<same>a)(?P<same>b)/g,dupnames
|
||
abbaba
|
||
0: ab
|
||
1: a
|
||
2: b
|
||
0: ab
|
||
1: a
|
||
2: b
|
||
|
||
/(?P<same>a)(?P<same>b)(?P=same)/g,dupnames
|
||
abbaba
|
||
0: aba
|
||
1: a
|
||
2: b
|
||
|
||
/(?P=same)?(?P<same>a)(?P<same>b)/g,dupnames
|
||
abbaba
|
||
0: ab
|
||
1: a
|
||
2: b
|
||
0: ab
|
||
1: a
|
||
2: b
|
||
|
||
/(?:(?P=same)?(?:(?P<same>a)|(?P<same>b))(?P=same))+/g,dupnames
|
||
bbbaaabaabb
|
||
0: bbbaaaba
|
||
1: a
|
||
2: b
|
||
0: bb
|
||
1: <unset>
|
||
2: b
|
||
|
||
/(?:(?P=same)?(?:(?P=same)(?P<same>a)(?P=same)|(?P=same)?(?P<same>b)(?P=same)){2}(?P=same)(?P<same>c)(?P=same)){2}(?P<same>z)?/g,dupnames
|
||
\= Expect no match
|
||
bbbaaaccccaaabbbcc
|
||
No match
|
||
|
||
/(?P<Name>a)?(?P<Name2>b)?(?(<Name>)c|d)*l/
|
||
acl
|
||
0: acl
|
||
1: a
|
||
bdl
|
||
0: bdl
|
||
1: <unset>
|
||
2: b
|
||
adl
|
||
0: dl
|
||
bcl
|
||
0: l
|
||
|
||
/\sabc/
|
||
\x{0b}abc
|
||
0: \x0babc
|
||
|
||
/[\Qa]\E]+/
|
||
aa]]
|
||
0: aa]]
|
||
|
||
/[\Q]a\E]+/
|
||
aa]]
|
||
0: aa]]
|
||
|
||
/A((((((((a))))))))\8B/
|
||
AaaB
|
||
0: AaaB
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
5: a
|
||
6: a
|
||
7: a
|
||
8: a
|
||
|
||
/A(((((((((a)))))))))\9B/
|
||
AaaB
|
||
0: AaaB
|
||
1: a
|
||
2: a
|
||
3: a
|
||
4: a
|
||
5: a
|
||
6: a
|
||
7: a
|
||
8: a
|
||
9: a
|
||
|
||
/A[\8\9]B/
|
||
A8B
|
||
0: A8B
|
||
A9B
|
||
0: A9B
|
||
|
||
/(|ab)*?d/
|
||
abd
|
||
0: abd
|
||
1: ab
|
||
xyd
|
||
0: d
|
||
|
||
/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/
|
||
1234abcd
|
||
0:
|
||
1: <unset>
|
||
2: <unset>
|
||
3: <unset>
|
||
4: <unset>
|
||
5:
|
||
|
||
/(\2|a)(\1)/
|
||
aaa
|
||
0: aa
|
||
1: a
|
||
2: a
|
||
|
||
/(\2)(\1)/
|
||
|
||
/Z*(|d*){216}/
|
||
|
||
/(?1)(?#?'){8}(a)/
|
||
baaaaaaaaac
|
||
0: aaaaaaaaa
|
||
1: a
|
||
|
||
/((((((((((((x))))))))))))\12/
|
||
xx
|
||
0: xx
|
||
1: x
|
||
2: x
|
||
3: x
|
||
4: x
|
||
5: x
|
||
6: x
|
||
7: x
|
||
8: x
|
||
9: x
|
||
10: x
|
||
11: x
|
||
12: x
|
||
|
||
/A[\8]B[\9]C/
|
||
A8B9C
|
||
0: A8B9C
|
||
|
||
/(?1)()((((((\1++))\x85)+)|))/
|
||
\x85\x85
|
||
0: \x85\x85
|
||
1:
|
||
2: \x85\x85
|
||
3: \x85\x85
|
||
4: \x85\x85
|
||
5: \x85
|
||
6:
|
||
7:
|
||
|
||
/(?|(\k'Pm')|(?'Pm'))/
|
||
abcd
|
||
0:
|
||
1:
|
||
|
||
/(?|(aaa)|(b))\g{1}/
|
||
aaaaaa
|
||
0: aaaaaa
|
||
1: aaa
|
||
bb
|
||
0: bb
|
||
1: b
|
||
|
||
/(?|(aaa)|(b))(?1)/
|
||
aaaaaa
|
||
0: aaaaaa
|
||
1: aaa
|
||
baaa
|
||
0: baaa
|
||
1: b
|
||
\= Expect no match
|
||
bb
|
||
No match
|
||
|
||
/(?|(aaa)|(b))/
|
||
xaaa
|
||
0: aaa
|
||
1: aaa
|
||
xbc
|
||
0: b
|
||
1: b
|
||
|
||
/(?|(?'a'aaa)|(?'a'b))\k'a'/
|
||
aaaaaa
|
||
0: aaaaaa
|
||
1: aaa
|
||
bb
|
||
0: bb
|
||
1: b
|
||
|
||
/(?|(?'a'aaa)|(?'a'b))(?'a'cccc)\k'a'/dupnames
|
||
aaaccccaaa
|
||
0: aaaccccaaa
|
||
1: aaa
|
||
2: cccc
|
||
bccccb
|
||
0: bccccb
|
||
1: b
|
||
2: cccc
|
||
|
||
# /x does not apply to MARK labels
|
||
|
||
/x (*MARK:ab cd # comment
|
||
ef) x/x,mark
|
||
axxz
|
||
0: xx
|
||
MK: ab cd # comment\x0aef
|
||
|
||
/(?<=a(B){0}c)X/
|
||
acX
|
||
0: X
|
||
|
||
/(?<DEFINE>b)(?(DEFINE)(a+))(?&DEFINE)/
|
||
bbbb
|
||
0: bb
|
||
1: b
|
||
\= Expect no match
|
||
baaab
|
||
No match
|
||
|
||
/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/
|
||
\ Fred:099
|
||
0:
|
||
|
||
/(?=.*X)X$/
|
||
\ X
|
||
0: X
|
||
|
||
/(?s)(?=.*?)b/
|
||
aabc
|
||
0: b
|
||
|
||
/(Z)(a)\2{1,2}?(?-i)\1X/i
|
||
ZaAAZX
|
||
0: ZaAAZX
|
||
1: Z
|
||
2: a
|
||
|
||
/(?'c')XX(?'YYYYYYYYYYYYYYYYYYYYYYYCl')/
|
||
|
||
/[s[:digit:]\E-H]+/
|
||
s09-H
|
||
0: s09-H
|
||
|
||
/[s[:digit:]\Q\E-H]+/
|
||
s09-H
|
||
0: s09-H
|
||
|
||
/a+(?:|b)a/
|
||
aaaa
|
||
0: aaaa
|
||
|
||
/X?(R||){3335}/
|
||
|
||
/(?1)(A(*COMMIT)|B)D/
|
||
ABD
|
||
0: ABD
|
||
1: B
|
||
XABD
|
||
0: ABD
|
||
1: B
|
||
BAD
|
||
0: BAD
|
||
1: A
|
||
ABXABD
|
||
0: ABD
|
||
1: B
|
||
\= Expect no match
|
||
ABX
|
||
No match
|
||
|
||
/(?(DEFINE)(?<m> 1? (?=(?<cond>2)?) 1 2 (?('cond')|3)))
|
||
\A
|
||
()
|
||
(?&m)
|
||
\Z/x
|
||
123
|
||
0: 123
|
||
1: <unset>
|
||
2: <unset>
|
||
3:
|
||
|
||
/^(?:
|
||
(?: A| (1? (?=(?<cond>2)?) (1) 2 (?('cond')|3)) )
|
||
(Z)
|
||
)+$/x
|
||
AZ123Z
|
||
0: AZ123Z
|
||
1: 123
|
||
2: <unset>
|
||
3: 1
|
||
4: Z
|
||
\= Expect no match
|
||
AZ12Z
|
||
No match
|
||
|
||
/^ (?(DEFINE) ( (?!(a)\2b)..) ) ()(?1) /x
|
||
acb
|
||
0: ac
|
||
1: <unset>
|
||
2: <unset>
|
||
3:
|
||
\= Expect no match
|
||
aab
|
||
No match
|
||
|
||
/(?>ab|abab){1,5}?M/
|
||
abababababababababababM
|
||
0: abababababM
|
||
|
||
/(?>ab|abab){2}?M/
|
||
abababM
|
||
0: ababM
|
||
|
||
/((?(?=(a))a)+k)/
|
||
bbak
|
||
0: ak
|
||
1: ak
|
||
2: a
|
||
|
||
/((?(?=(a))a|)+k)/
|
||
bbak
|
||
0: ak
|
||
1: ak
|
||
2: a
|
||
|
||
/(?(?!(b))a|b)+k/
|
||
ababbalbbadabak
|
||
0: abak
|
||
1: b
|
||
|
||
/(?!(b))c|b/
|
||
Ab
|
||
0: b
|
||
Ac
|
||
0: c
|
||
|
||
/(?=(b))b|c/
|
||
Ab
|
||
0: b
|
||
1: b
|
||
Ac
|
||
0: c
|
||
|
||
/^(.|(.)(?1)\2)$/
|
||
a
|
||
0: a
|
||
1: a
|
||
aba
|
||
0: aba
|
||
1: aba
|
||
2: a
|
||
abcba
|
||
0: abcba
|
||
1: abcba
|
||
2: a
|
||
ababa
|
||
0: ababa
|
||
1: ababa
|
||
2: a
|
||
abcdcba
|
||
0: abcdcba
|
||
1: abcdcba
|
||
2: a
|
||
|
||
/^((.)(?1)\2|.?)$/
|
||
a
|
||
0: a
|
||
1: a
|
||
aba
|
||
0: aba
|
||
1: aba
|
||
2: a
|
||
abba
|
||
0: abba
|
||
1: abba
|
||
2: a
|
||
abcba
|
||
0: abcba
|
||
1: abcba
|
||
2: a
|
||
ababa
|
||
0: ababa
|
||
1: ababa
|
||
2: a
|
||
abccba
|
||
0: abccba
|
||
1: abccba
|
||
2: a
|
||
abcdcba
|
||
0: abcdcba
|
||
1: abcdcba
|
||
2: a
|
||
abcddcba
|
||
0: abcddcba
|
||
1: abcddcba
|
||
2: a
|
||
|
||
/^(.)(\1|a(?2))/
|
||
bab
|
||
0: bab
|
||
1: b
|
||
2: ab
|
||
|
||
/^(.|(.)(?1)?\2)$/
|
||
abcba
|
||
0: abcba
|
||
1: abcba
|
||
2: a
|
||
|
||
/^(?(?=(a))abc|def)/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
|
||
/^(?(?!(a))def|abc)/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
|
||
/^(?(?=(a)(*ACCEPT))abc|def)/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
|
||
/^(?(?!(a)(*ACCEPT))def|abc)/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
|
||
/^(?1)\d{3}(a)/
|
||
a123a
|
||
0: a123a
|
||
1: a
|
||
|
||
# This pattern uses a lot of named subpatterns in order to match email
|
||
# addresses in various formats. It's a heavy test for named subpatterns. In the
|
||
# <atext> group, slash is coded as \x{2f} so that this pattern can also be
|
||
# processed by perltest.sh, which does not cater for an escaped delimiter
|
||
# within the pattern. $ within the pattern must also be escaped. All $ and @
|
||
# characters in subject strings are escaped so that Perl doesn't interpret them
|
||
# as variable insertions and " characters must also be escaped for Perl.
|
||
|
||
# This set of subpatterns is more or less a direct transliteration of the BNF
|
||
# definitions in RFC2822, without any of the obsolete features. The addition of
|
||
# a possessive + to the definition of <phrase> reduced the match limit in PCRE2
|
||
# from over 5 million to just under 400, and eliminated a very noticeable delay
|
||
# when this file was passed to perltest.sh.
|
||
|
||
/(?ix)(?(DEFINE)
|
||
(?<addr_spec> (?&local_part) \@ (?&domain) )
|
||
(?<angle_addr> (?&CFWS)?+ < (?&addr_spec) > (?&CFWS)?+ )
|
||
(?<atext> [a-z\d!#\$%&'*+-\x{2f}=?^_`{|}~] )
|
||
(?<atom> (?&CFWS)?+ (?&atext)+ (?&CFWS)?+ )
|
||
(?<ccontent> (?&ctext) | (?"ed_pair) | (?&comment) )
|
||
(?<ctext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ ()\\] )
|
||
(?<comment> \( (?: (?&FWS)?+ (?&ccontent) )*+ (?&FWS)?+ \) )
|
||
(?<CFWS> (?: (?&FWS)?+ (?&comment) )* (?# NOT possessive)
|
||
(?: (?&FWS)?+ (?&comment) | (?&FWS) ) )
|
||
(?<dcontent> (?&dtext) | (?"ed_pair) )
|
||
(?<display_name> (?&phrase) )
|
||
(?<domain> (?&dot_atom) | (?&domain_literal) )
|
||
(?<domain_literal> (?&CFWS)?+ \[ (?: (?&FWS)?+ (?&dcontent) )* (?&FWS)?+ \]
|
||
(?&CFWS)?+ )
|
||
(?<dot_atom> (?&CFWS)?+ (?&dot_atom_text) (?&CFWS)?+ )
|
||
(?<dot_atom_text> (?&atext)++ (?: \. (?&atext)++)*+ )
|
||
(?<dtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ \[\]\\] )
|
||
(?<FWS> (?: [\t\ ]*+ \n)?+ [\t\ ]++ )
|
||
(?<local_part> (?&dot_atom) | (?"ed_string) )
|
||
(?<mailbox> (?&name_addr) | (?&addr_spec) )
|
||
(?<name_addr> (?&display_name)? (?&angle_addr) )
|
||
(?<phrase> (?&word)++ )
|
||
(?<qcontent> (?&qtext) | (?"ed_pair) )
|
||
(?<quoted_pair> " (?&text) )
|
||
(?<quoted_string> (?&CFWS)?+ " (?: (?&FWS)?+ (?&qcontent))* (?&FWS)?+ "
|
||
(?&CFWS)?+ )
|
||
(?<qtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ "\\] )
|
||
(?<text> [^\r\n] )
|
||
(?<word> (?&atom) | (?"ed_string) )
|
||
) # End DEFINE
|
||
^(?&mailbox)$/
|
||
Alan Other <user\@dom.ain>
|
||
0: Alan Other <user@dom.ain>
|
||
<user\@dom.ain>
|
||
0: <user@dom.ain>
|
||
user\@dom.ain
|
||
0: user@dom.ain
|
||
user\@[]
|
||
0: user@[]
|
||
user\@[domain literal]
|
||
0: user@[domain literal]
|
||
user\@[domain literal with \"[square brackets\"] inside]
|
||
0: user@[domain literal with "[square brackets"] inside]
|
||
\"A. Other\" <user.1234\@dom.ain> (a comment)
|
||
0: "A. Other" <user.1234@dom.ain> (a comment)
|
||
A. Other <user.1234\@dom.ain> (a comment)
|
||
0: A. Other <user.1234@dom.ain> (a comment)
|
||
\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
|
||
0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
|
||
\= Expect no match
|
||
A missing angle <user\@some.where
|
||
No match
|
||
The quick brown fox
|
||
No match
|
||
|
||
# --------------------------------------------------------------------------
|
||
|
||
# This pattern uses named groups to match default PCRE2 patterns. It's another
|
||
# heavy test for named subpatterns. Once again, code slash as \x{2f} and escape
|
||
# $ even in classes so that this works with pcre2test.
|
||
|
||
/(?sx)(?(DEFINE)
|
||
|
||
(?<assertion> (?&simple_assertion) | (?&lookaround) )
|
||
|
||
(?<atomic_group> \( \? > (?®ex) \) )
|
||
|
||
(?<back_reference> \\ \d+ |
|
||
\\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) |
|
||
\\k <(?&groupname)> |
|
||
\\k '(?&groupname)' |
|
||
\\k \{ (?&groupname) \} |
|
||
\( \? P= (?&groupname) \) )
|
||
|
||
(?<branch> (?:(?&assertion) |
|
||
(?&callout) |
|
||
(?&comment) |
|
||
(?&option_setting) |
|
||
(?&qualified_item) |
|
||
(?"ed_string) |
|
||
(?"ed_string_empty) |
|
||
(?&special_escape) |
|
||
(?&verb)
|
||
)* )
|
||
|
||
(?<callout> \(\?C (?: \d+ |
|
||
(?: (?<D>["'`^%\#\$])
|
||
(?: \k'D'\k'D' | (?!\k'D') . )* \k'D' |
|
||
\{ (?: \}\} | [^}]*+ )* \} )
|
||
)? \) )
|
||
|
||
(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )?
|
||
(?®ex) \) )
|
||
|
||
(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )
|
||
|
||
(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )
|
||
|
||
(?<class_item> (?: \[ : (?:
|
||
alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print|
|
||
punct|space|upper|word|xdigit
|
||
) : \] |
|
||
(?"ed_string) |
|
||
(?"ed_string_empty) |
|
||
(?&escaped_character) |
|
||
(?&character_type) |
|
||
[^]] ) )
|
||
|
||
(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )
|
||
|
||
(?<condition> (?: \( [+-]? \d+ \) |
|
||
\( < (?&groupname) > \) |
|
||
\( ' (?&groupname) ' \) |
|
||
\( R \d* \) |
|
||
\( R & (?&groupname) \) |
|
||
\( (?&groupname) \) |
|
||
\( DEFINE \) |
|
||
\( VERSION >?=\d+(?:\.\d\d?)? \) |
|
||
(?&callout)?+ (?&comment)* (?&lookaround) ) )
|
||
|
||
(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )
|
||
|
||
(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex)
|
||
\k'delimiter' .* )
|
||
|
||
(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} |
|
||
x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} |
|
||
[aefnrt] | c[[:print:]] |
|
||
[^[:alnum:]] ) )
|
||
|
||
(?<group> (?&capturing_group) | (?&non_capturing_group) |
|
||
(?&resetting_group) | (?&atomic_group) |
|
||
(?&conditional_group) )
|
||
|
||
(?<groupname> [a-zA-Z_]\w* )
|
||
|
||
(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )
|
||
|
||
(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )
|
||
|
||
(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )
|
||
|
||
(?<option_setting> \(\? [iJmnsUx-]* \) )
|
||
|
||
(?<qualified_item> (?:\. |
|
||
(?&lookaround) |
|
||
(?&back_reference) |
|
||
(?&character_class) |
|
||
(?&character_type) |
|
||
(?&escaped_character) |
|
||
(?&group) |
|
||
(?&subroutine_call) |
|
||
(?&literal_character) |
|
||
(?"ed_string)
|
||
) (?&comment)? (?&qualifier)? )
|
||
|
||
(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )
|
||
|
||
(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) )
|
||
|
||
(?<quoted_string_empty> \\Q\\E )
|
||
|
||
(?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )
|
||
|
||
(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )
|
||
|
||
(?<resetting_group> \( \? \| (?®ex) \) )
|
||
|
||
(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )
|
||
|
||
(?<special_escape> \\K )
|
||
|
||
(?<start_item> \( \* (?:
|
||
ANY |
|
||
ANYCRLF |
|
||
BSR_ANYCRLF |
|
||
BSR_UNICODE |
|
||
CR |
|
||
CRLF |
|
||
LF |
|
||
LIMIT_MATCH=\d+ |
|
||
LIMIT_DEPTH=\d+ |
|
||
LIMIT_HEAP=\d+ |
|
||
NOTEMPTY |
|
||
NOTEMPTY_ATSTART |
|
||
NO_AUTO_POSSESS |
|
||
NO_DOTSTAR_ANCHOR |
|
||
NO_JIT |
|
||
NO_START_OPT |
|
||
NUL |
|
||
UTF |
|
||
UCP ) \) )
|
||
|
||
(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) |
|
||
\(\? (?: & | P> ) (?&groupname) \) |
|
||
\\g < (?&groupname) > |
|
||
\\g ' (?&groupname) ' |
|
||
\\g < [+-]? \d+ > |
|
||
\\g ' [+-]? \d+ ) )
|
||
|
||
(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT |
|
||
(?:MARK)?:(?&verbname) |
|
||
(?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )
|
||
|
||
(?<verbname> [^)]+ )
|
||
|
||
) # End DEFINE
|
||
# Kick it all off...
|
||
^(?&delimited_regex)$/subject_literal,jitstack=256
|
||
/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
|
||
0: /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
|
||
/(cat(a(ract|tonic)|erpillar)) \1()2(3)/
|
||
0: /(cat(a(ract|tonic)|erpillar)) \1()2(3)/
|
||
/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
|
||
0: /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
|
||
/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
|
||
0: /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
|
||
/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
|
||
0: /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
|
||
/^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /
|
||
0: /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /
|
||
/(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
|
||
0: /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
|
||
/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
|
||
0: /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
|
||
/^(\w++|\s++)*$/
|
||
0: /^(\w++|\s++)*$/
|
||
/a+b?(*THEN)c+(*FAIL)/
|
||
0: /a+b?(*THEN)c+(*FAIL)/
|
||
/(A (A|B(*ACCEPT)|C) D)(E)/x
|
||
0: /(A (A|B(*ACCEPT)|C) D)(E)/x
|
||
/^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i
|
||
0: /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i
|
||
/A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B
|
||
0: /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B
|
||
/(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info
|
||
0: /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info
|
||
/(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/
|
||
0: /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/
|
||
\= Expect no match
|
||
/((?(?C'')\QX\E(?!((?(?C'')(?!X=X));=)r*X=X));=)/
|
||
No match
|
||
/(?:(?(2y)a|b)(X))+/
|
||
No match
|
||
/a(*MARK)b/
|
||
No match
|
||
/a(*CR)b/
|
||
No match
|
||
/(?P<abn>(?P=abn)(?<badstufxxx)/
|
||
No match
|
||
|
||
# --------------------------------------------------------------------------
|
||
|
||
/<(?x:[a b])>/xx
|
||
< >
|
||
0: < >
|
||
|
||
/<(?:[a b])>/xx
|
||
< >
|
||
No match
|
||
|
||
/<(?xxx:[a b])>/
|
||
< >
|
||
No match
|
||
|
||
/<(?-x:[a b])>/xx
|
||
< >
|
||
0: < >
|
||
|
||
/[[:digit:]-]+/
|
||
12-24
|
||
0: 12-24
|
||
|
||
/((?<=((*ACCEPT)) )\1?\b) /
|
||
\= Expect no match
|
||
((?<=((*ACCEPT)) )\\1?\\b)\x20
|
||
No match
|
||
|
||
/((?<=((*ACCEPT))X)\1?Y)\1/
|
||
XYYZ
|
||
0: YY
|
||
1: Y
|
||
2:
|
||
|
||
/((?<=((*ACCEPT))X)\1?Y(*ACCEPT))\1/
|
||
XYYZ
|
||
0: Y
|
||
1: Y
|
||
2:
|
||
|
||
/(?(DEFINE)(?<optional_a>a?)X)^(?&optional_a)a$/
|
||
aa
|
||
0: aa
|
||
a
|
||
0: a
|
||
|
||
/^(a?)b(?1)a/
|
||
abaa
|
||
0: abaa
|
||
1: a
|
||
aba
|
||
0: aba
|
||
1: a
|
||
baa
|
||
0: baa
|
||
1:
|
||
ba
|
||
0: ba
|
||
1:
|
||
|
||
/^(a?)+b(?1)a/
|
||
abaa
|
||
0: abaa
|
||
1:
|
||
aba
|
||
0: aba
|
||
1:
|
||
baa
|
||
0: baa
|
||
1:
|
||
ba
|
||
0: ba
|
||
1:
|
||
|
||
/^(a?)++b(?1)a/
|
||
abaa
|
||
0: abaa
|
||
1:
|
||
aba
|
||
0: aba
|
||
1:
|
||
baa
|
||
0: baa
|
||
1:
|
||
ba
|
||
0: ba
|
||
1:
|
||
|
||
/^(a?)+b/
|
||
b
|
||
0: b
|
||
1:
|
||
ab
|
||
0: ab
|
||
1:
|
||
aaab
|
||
0: aaab
|
||
1:
|
||
|
||
/(?=a+)a(a+)++b/
|
||
aab
|
||
0: aab
|
||
1: a
|
||
|
||
/(?<=\G.)/g,aftertext
|
||
abc
|
||
0:
|
||
0+ bc
|
||
0:
|
||
0+ c
|
||
0:
|
||
0+
|
||
|
||
/(?<=(?=.)?)/
|
||
|
||
/(?<=(?=.)?+)/
|
||
|
||
/(?<=(?=.)*)/
|
||
|
||
/(?<=(?=.){4,5})/
|
||
|
||
/(?<=(?=.){4,5}x)/
|
||
|
||
/a(?=.(*:X))(*SKIP:X)(*F)|(.)/
|
||
abc
|
||
0: a
|
||
1: a
|
||
|
||
/a(?>(*:X))(*SKIP:X)(*F)|(.)/
|
||
abc
|
||
0: a
|
||
1: a
|
||
|
||
/a(?:(*:X))(*SKIP:X)(*F)|(.)/
|
||
abc
|
||
0: b
|
||
1: b
|
||
|
||
#pattern no_start_optimize
|
||
|
||
/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/
|
||
abc
|
||
0: abc
|
||
|
||
/(?>a(*:1))(?>b)(*SKIP:1)x|.*/
|
||
abc
|
||
0: abc
|
||
|
||
#subject mark
|
||
|
||
/a(*ACCEPT:X)b/
|
||
abc
|
||
0: a
|
||
MK: X
|
||
|
||
/(?=a(*ACCEPT:QQ)bc)axyz/
|
||
axyz
|
||
0: axyz
|
||
MK: QQ
|
||
|
||
/(?(DEFINE)(a(*ACCEPT:X)))(?1)b/
|
||
abc
|
||
0: ab
|
||
MK: X
|
||
|
||
/a(*F:X)b/
|
||
abc
|
||
No match, mark = X
|
||
|
||
/(?(DEFINE)(a(*F:X)))(?1)b/
|
||
abc
|
||
No match, mark = X
|
||
|
||
/a(*COMMIT:X)b/
|
||
abc
|
||
0: ab
|
||
MK: X
|
||
|
||
/(?(DEFINE)(a(*COMMIT:X)))(?1)b/
|
||
abc
|
||
0: ab
|
||
MK: X
|
||
|
||
/a+(*:Z)b(*COMMIT:X)(*SKIP:Z)c|.*/
|
||
aaaabd
|
||
0: bd
|
||
|
||
/a+(*:Z)b(*COMMIT:X)(*SKIP:X)c|.*/
|
||
aaaabd
|
||
No match, mark = X
|
||
|
||
/a(*COMMIT:X)b/
|
||
axabc
|
||
No match, mark = X
|
||
|
||
#pattern -no_start_optimize
|
||
#subject -mark
|
||
|
||
/(.COMMIT)(*COMMIT::::::::::interal error:::)/
|
||
|
||
/(*COMMIT:<3A><>)/
|
||
|
||
/(*COMMIT:]w)/
|
||
|
||
/(?i)A(?^)B(?^x:C D)(?^i)e f/
|
||
aBCDE F
|
||
0: aBCDE F
|
||
\= Expect no match
|
||
aBCDEF
|
||
No match
|
||
AbCDe f
|
||
No match
|
||
|
||
/(*pla:foo).{6}/
|
||
abcfoobarxyz
|
||
0: foobar
|
||
\= Expect no match
|
||
abcfooba
|
||
No match
|
||
|
||
/(*positive_lookahead:foo).{6}/
|
||
abcfoobarxyz
|
||
0: foobar
|
||
|
||
/(?(*pla:foo).{6}|a..)/
|
||
foobarbaz
|
||
0: foobar
|
||
abcfoobar
|
||
0: abc
|
||
|
||
/(?(*positive_lookahead:foo).{6}|a..)/
|
||
foobarbaz
|
||
0: foobar
|
||
abcfoobar
|
||
0: abc
|
||
|
||
/(*plb:foo)bar/
|
||
abcfoobar
|
||
0: bar
|
||
\= Expect no match
|
||
abcbarfoo
|
||
No match
|
||
|
||
/(*positive_lookbehind:foo)bar/
|
||
abcfoobar
|
||
0: bar
|
||
\= Expect no match
|
||
abcbarfoo
|
||
No match
|
||
|
||
/(?(*plb:foo)bar|baz)/
|
||
abcfoobar
|
||
0: bar
|
||
bazfoobar
|
||
0: baz
|
||
abcbazfoobar
|
||
0: baz
|
||
foobazfoobar
|
||
0: bar
|
||
|
||
/(?(*positive_lookbehind:foo)bar|baz)/
|
||
abcfoobar
|
||
0: bar
|
||
bazfoobar
|
||
0: baz
|
||
abcbazfoobar
|
||
0: baz
|
||
foobazfoobar
|
||
0: bar
|
||
|
||
/(*nlb:foo)bar/
|
||
abcbarfoo
|
||
0: bar
|
||
\= Expect no match
|
||
abcfoobar
|
||
No match
|
||
|
||
/(*negative_lookbehind:foo)bar/
|
||
abcbarfoo
|
||
0: bar
|
||
\= Expect no match
|
||
abcfoobar
|
||
No match
|
||
|
||
/(?(*nlb:foo)bar|baz)/
|
||
abcfoobaz
|
||
0: baz
|
||
abcbarbaz
|
||
0: bar
|
||
\= Expect no match
|
||
abcfoobar
|
||
No match
|
||
|
||
/(?(*negative_lookbehind:foo)bar|baz)/
|
||
abcfoobaz
|
||
0: baz
|
||
abcbarbaz
|
||
0: bar
|
||
\= Expect no match
|
||
abcfoobar
|
||
No match
|
||
|
||
/(*atomic:a+)\w/
|
||
aaab
|
||
0: aaab
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
|
||
/ (?<word> \w+ )* \. /xi
|
||
pokus.
|
||
0: pokus.
|
||
1: pokus
|
||
|
||
/(?(DEFINE) (?<word> \w+ ) ) (?&word)* \./xi
|
||
pokus.
|
||
0: pokus.
|
||
|
||
/(?(DEFINE) (?<word> \w+ ) ) ( (?&word)* ) \./xi
|
||
pokus.
|
||
0: pokus.
|
||
1: <unset>
|
||
2: pokus
|
||
|
||
/(?&word)* (?(DEFINE) (?<word> \w+ ) ) \./xi
|
||
pokus.
|
||
0: pokus.
|
||
|
||
/(?&word)* \. (?<word> \w+ )/xi
|
||
pokus.hokus
|
||
0: pokus.hokus
|
||
1: hokus
|
||
|
||
/a(?(?=(*:2)b).)/mark
|
||
abc
|
||
0: ab
|
||
MK: 2
|
||
acb
|
||
0: a
|
||
|
||
/a(?(?!(*:2)b).)/mark
|
||
acb
|
||
0: ac
|
||
abc
|
||
0: a
|
||
MK: 2
|
||
|
||
/(?:a|ab){1}+c/
|
||
\= Expect no match
|
||
abc
|
||
No match
|
||
|
||
/(a|ab){1}+c/
|
||
abc
|
||
No match
|
||
|
||
/(a+){1}+a/
|
||
\= Expect no match
|
||
aaaa
|
||
No match
|
||
|
||
/(?(DEFINE)(a|ab))(?1){1}+c/
|
||
abc
|
||
No match
|
||
|
||
/(?:a|(?=b)|.)*\z/
|
||
abc
|
||
0: abc
|
||
|
||
/(?:a|(?=b)|.)*/
|
||
abc
|
||
0: a
|
||
|
||
/(?<=a(*SKIP)x)|c/
|
||
abcd
|
||
No match
|
||
|
||
/(?<=a(*SKIP)x)|d/
|
||
abcd
|
||
0: d
|
||
|
||
/(?<=(?=.(?<=x)))/aftertext
|
||
abx
|
||
0:
|
||
0+ x
|
||
|
||
/(?<=(?=(?<=a)))b/
|
||
ab
|
||
0: b
|
||
|
||
/^(?<A>a)(?(<A>)b)((?<=b).*)$/
|
||
abc
|
||
0: abc
|
||
1: a
|
||
2: c
|
||
|
||
/^(a\1?){4}$/
|
||
aaaa
|
||
0: aaaa
|
||
1: a
|
||
aaaaaa
|
||
0: aaaaaa
|
||
1: aa
|
||
|
||
/^((\1+)|\d)+133X$/
|
||
111133X
|
||
0: 111133X
|
||
1: 11
|
||
2: 11
|
||
|
||
/^(?=.*(?=(([A-Z]).*(?(1)\1)))(?!.+\2)){26}/i
|
||
The quick brown fox jumps over the lazy dog.
|
||
0:
|
||
1: quick brown fox jumps over the lazy dog.
|
||
2: q
|
||
Jackdaws love my big sphinx of quartz.
|
||
0:
|
||
1: Jackdaws love my big sphinx of quartz.
|
||
2: J
|
||
Pack my box with five dozen liquor jugs.
|
||
0:
|
||
1: Pack my box with five dozen liquor jugs.
|
||
2: P
|
||
\= Expect no match
|
||
The quick brown fox jumps over the lazy cat.
|
||
No match
|
||
Hackdaws love my big sphinx of quartz.
|
||
No match
|
||
Pack my fox with five dozen liquor jugs.
|
||
No match
|
||
|
||
/^(?>.*?([A-Z])(?!.*\1)){26}/i
|
||
The quick brown fox jumps over the lazy dog.
|
||
0: The quick brown fox jumps over the lazy dog
|
||
1: g
|
||
Jackdaws love my big sphinx of quartz.
|
||
0: Jackdaws love my big sphinx of quartz
|
||
1: z
|
||
Pack my box with five dozen liquor jugs.
|
||
0: Pack my box with five dozen liquor jugs
|
||
1: s
|
||
\= Expect no match
|
||
The quick brown fox jumps over the lazy cat.
|
||
No match
|
||
Hackdaws love my big sphinx of quartz.
|
||
No match
|
||
Pack my fox with five dozen liquor jugs.
|
||
No match
|
||
|
||
/(?<=X(?(DEFINE)(A)))X(*F)/
|
||
\= Expect no match
|
||
AXYZ
|
||
No match
|
||
|
||
/(?<=X(?(DEFINE)(A)))./
|
||
AXYZ
|
||
0: Y
|
||
|
||
/(?<=X(?(DEFINE)(.*))Y)./
|
||
AXYZ
|
||
0: Z
|
||
|
||
/(?<=X(?(DEFINE)(Y))(?1))./
|
||
AXYZ
|
||
0: Z
|
||
|
||
/(?(DEFINE)(?<foo>bar))(?<![-a-z0-9])word/
|
||
word
|
||
0: word
|
||
|
||
/a{1,2,3}b/
|
||
a{1,2,3}b
|
||
0: a{1,2,3}b
|
||
|
||
/\214748364/
|
||
>\x{8c}748364<
|
||
0: \x8c748364
|
||
|
||
/a{65536/
|
||
>a{65536<
|
||
0: a{65536
|
||
|
||
# End of testinput1
|