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# This set of tests check the DFA matching functionality of pcre2_dfa_match(),
# excluding UTF and Unicode property support. All matches are done using DFA,
# forced by setting a default subject modifier at the start.
#forbid_utf
#subject dfa
#newline_default lf anycrlf any
/abc/
abc
0: abc
/ab*c/
abc
0: abc
abbbbc
0: abbbbc
ac
0: ac
/ab+c/
abc
0: abc
abbbbbbc
0: abbbbbbc
\= Expect no match
ac
No match
ab
No match
/a*/no_auto_possess
a
0: a
1:
aaaaaaaaaaaaaaaaa
Matched, but offsets vector is too small to show all matches
0: aaaaaaaaaaaaaaaaa
1: aaaaaaaaaaaaaaaa
2: aaaaaaaaaaaaaaa
3: aaaaaaaaaaaaaa
4: aaaaaaaaaaaaa
5: aaaaaaaaaaaa
6: aaaaaaaaaaa
7: aaaaaaaaaa
8: aaaaaaaaa
9: aaaaaaaa
10: aaaaaaa
11: aaaaaa
12: aaaaa
13: aaaa
14: aaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=ovector=10
Matched, but offsets vector is too small to show all matches
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
2: aaaaaaaaaaaaaaaaaaaaaaaaaaaa
3: aaaaaaaaaaaaaaaaaaaaaaaaaaa
4: aaaaaaaaaaaaaaaaaaaaaaaaaa
5: aaaaaaaaaaaaaaaaaaaaaaaaa
6: aaaaaaaaaaaaaaaaaaaaaaaa
7: aaaaaaaaaaaaaaaaaaaaaaa
8: aaaaaaaaaaaaaaaaaaaaaa
9: aaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=dfa_shortest
0:
/(a|abcd|african)/
a
0: a
abcd
0: abcd
1: a
african
0: african
1: a
/^abc/
abcdef
0: abc
\= Expect no match
xyzabc
No match
xyz\nabc
No match
/^abc/m
abcdef
0: abc
xyz\nabc
0: abc
\= Expect no match
xyzabc
No match
/\Aabc/
abcdef
0: abc
\= Expect no match
xyzabc
No match
xyz\nabc
No match
/\Aabc/m
abcdef
0: abc
\= Expect no match
xyzabc
No match
xyz\nabc
No match
/\Gabc/
abcdef
0: abc
xyzabc\=offset=3
0: abc
\= Expect no match
xyzabc
No match
xyzabc\=offset=2
No match
/x\dy\Dz/
x9yzz
0: x9yzz
x0y+z
0: x0y+z
\= Expect no match
xyz
No match
xxy0z
No match
/x\sy\Sz/
x yzz
0: x yzz
x y+z
0: x y+z
\= Expect no match
xyz
No match
xxyyz
No match
/x\wy\Wz/
xxy+z
0: xxy+z
\= Expect no match
xxy0z
No match
x+y+z
No match
/x.y/
x+y
0: x+y
x-y
0: x-y
\= Expect no match
x\ny
No match
/x.y/s
x+y
0: x+y
x-y
0: x-y
x\ny
0: x\x0ay
/(a.b(?s)c.d|x.y)p.q/
a+bc+dp+q
0: a+bc+dp+q
a+bc\ndp+q
0: a+bc\x0adp+q
x\nyp+q
0: x\x0ayp+q
\= Expect no match
a\nbc\ndp+q
No match
a+bc\ndp\nq
No match
x\nyp\nq
No match
/a\d\z/
ba0
0: a0
\= Expect no match
ba0\n
No match
ba0\ncd
No match
/a\d\z/m
ba0
0: a0
\= Expect no match
ba0\n
No match
ba0\ncd
No match
/a\d\Z/
ba0
0: a0
ba0\n
0: a0
\= Expect no match
ba0\ncd
No match
/a\d\Z/m
ba0
0: a0
ba0\n
0: a0
\= Expect no match
ba0\ncd
No match
/a\d$/
ba0
0: a0
ba0\n
0: a0
\= Expect no match
ba0\ncd
No match
/a\d$/m
ba0
0: a0
ba0\n
0: a0
ba0\ncd
0: a0
/abc/i
abc
0: abc
aBc
0: aBc
ABC
0: ABC
/[^a]/
abcd
0: b
/ab?\w/
abz
0: abz
1: ab
abbz
0: abb
1: ab
azz
0: az
/x{0,3}yz/
ayzq
0: yz
axyzq
0: xyz
axxyz
0: xxyz
axxxyzq
0: xxxyz
axxxxyzq
0: xxxyz
\= Expect no match
ax
No match
axx
No match
/x{3}yz/
axxxyzq
0: xxxyz
axxxxyzq
0: xxxyz
\= Expect no match
ax
No match
axx
No match
ayzq
No match
axyzq
No match
axxyz
No match
/x{2,3}yz/
axxyz
0: xxyz
axxxyzq
0: xxxyz
axxxxyzq
0: xxxyz
\= Expect no match
ax
No match
axx
No match
ayzq
No match
axyzq
No match
/[^a]+/no_auto_possess
bac
0: b
bcdefax
0: bcdef
1: bcde
2: bcd
3: bc
4: b
\= Expect no match
aaaaa
No match
/[^a]*/no_auto_possess
bac
0: b
1:
bcdefax
0: bcdef
1: bcde
2: bcd
3: bc
4: b
5:
aaaaa
0:
/[^a]{3,5}/no_auto_possess
xyz
0: xyz
awxyza
0: wxyz
1: wxy
abcdefa
0: bcdef
1: bcde
2: bcd
abcdefghijk
0: bcdef
1: bcde
2: bcd
\= Expect no match
axya
No match
axa
No match
aaaaa
No match
/\d*/
1234b567
0: 1234
xyz
0:
/\D*/
a1234b567
0: a
xyz
0: xyz
/\d+/
ab1234c56
0: 1234
\= Expect no match
xyz
No match
/\D+/
ab123c56
0: ab
\= Expect no match
789
No match
/\d?A/
045ABC
0: 5A
ABC
0: A
\= Expect no match
XYZ
No match
/\D?A/
ABC
0: A
BAC
0: BA
9ABC
0: A
/a+/
aaaa
0: aaaa
/^.*xyz/
xyz
0: xyz
ggggggggxyz
0: ggggggggxyz
/^.+xyz/
abcdxyz
0: abcdxyz
axyz
0: axyz
\= Expect no match
xyz
No match
/^.?xyz/
xyz
0: xyz
cxyz
0: cxyz
/^\d{2,3}X/
12X
0: 12X
123X
0: 123X
\= Expect no match
X
No match
1X
No match
1234X
No match
/^[abcd]\d/
a45
0: a4
b93
0: b9
c99z
0: c9
d04
0: d0
\= Expect no match
e45
No match
abcd
No match
abcd1234
No match
1234
No match
/^[abcd]*\d/
a45
0: a4
b93
0: b9
c99z
0: c9
d04
0: d0
abcd1234
0: abcd1
1234
0: 1
\= Expect no match
e45
No match
abcd
No match
/^[abcd]+\d/
a45
0: a4
b93
0: b9
c99z
0: c9
d04
0: d0
abcd1234
0: abcd1
\= Expect no match
1234
No match
e45
No match
abcd
No match
/^a+X/
aX
0: aX
aaX
0: aaX
/^[abcd]?\d/
a45
0: a4
b93
0: b9
c99z
0: c9
d04
0: d0
1234
0: 1
\= Expect no match
abcd1234
No match
e45
No match
/^[abcd]{2,3}\d/
ab45
0: ab4
bcd93
0: bcd9
\= Expect no match
1234
No match
a36
No match
abcd1234
No match
ee45
No match
/^(abc)*\d/
abc45
0: abc4
abcabcabc45
0: abcabcabc4
42xyz
0: 4
/^(abc)+\d/
abc45
0: abc4
abcabcabc45
0: abcabcabc4
\= Expect no match
42xyz
No match
/^(abc)?\d/
abc45
0: abc4
42xyz
0: 4
\= Expect no match
abcabcabc45
No match
/^(abc){2,3}\d/
abcabc45
0: abcabc4
abcabcabc45
0: abcabcabc4
\= Expect no match
abcabcabcabc45
No match
abc45
No match
42xyz
No match
/1(abc|xyz)2(?1)3/
1abc2abc3456
0: 1abc2abc3
1abc2xyz3456
0: 1abc2xyz3
/^(a*\w|ab)=(a*\w|ab)/
ab=ab
0: ab=ab
1: ab=a
/^(a*\w|ab)=(?1)/
ab=ab
0: ab=ab
1: ab=a
/^([^()]|\((?1)*\))*$/
abc
0: abc
a(b)c
0: a(b)c
a(b(c))d
0: a(b(c))d
\= Expect no match)
a(b(c)d
No match
/^>abc>([^()]|\((?1)*\))*<xyz<$/
>abc>123<xyz<
0: >abc>123<xyz<
>abc>1(2)3<xyz<
0: >abc>1(2)3<xyz<
>abc>(1(2)3)<xyz<
0: >abc>(1(2)3)<xyz<
/^(?>a*)\d/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
\= Expect no match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x
<>
0: <>
<abcd>
0: <abcd>
<abc <123> hij>
0: <abc <123> hij>
<abc <def> hij>
0: <def>
<abc<>def>
0: <abc<>def>
<abc<>
0: <>
\= Expect no match
<abc
No match
/^(?(?=abc)\w{3}:|\d\d)$/
abc:
0: abc:
12
0: 12
\= Expect no match
123
No match
xyz
No match
/^(?(?!abc)\d\d|\w{3}:)$/
abc:
0: abc:
12
0: 12
\= Expect no match
123
No match
xyz
No match
/^(?=abc)\w{5}:$/
abcde:
0: abcde:
\= Expect no match
abc..
No match
123
No match
vwxyz
No match
/^(?!abc)\d\d$/
12
0: 12
\= Expect no match
abcde:
No match
abc..
No match
123
No match
vwxyz
No match
/(?<=abc|xy)123/
abc12345
0: 123
wxy123z
0: 123
\= Expect no match
123abc
No match
/(?<!abc|xy)123/
123abc
0: 123
mno123456
0: 123
\= Expect no match
abc12345
No match
wxy123z
No match
/abc(?C1)xyz/
abcxyz
--->abcxyz
1 ^ ^ x
0: abcxyz
123abcxyz999
--->123abcxyz999
1 ^ ^ x
0: abcxyz
/(ab|cd){3,4}/auto_callout
ababab
--->ababab
+0 ^ (
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+12 ^ ^ End of pattern
+1 ^ ^ a
+4 ^ ^ c
0: ababab
abcdabcd
--->abcdabcd
+0 ^ (
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ ){3,4}
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+12 ^ ^ End of pattern
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ ){3,4}
+12 ^ ^ End of pattern
0: abcdabcd
1: abcdab
abcdcdcdcdcd
--->abcdcdcdcdcd
+0 ^ (
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ ){3,4}
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ ){3,4}
+12 ^ ^ End of pattern
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ ){3,4}
+12 ^ ^ End of pattern
0: abcdcdcd
1: abcdcd
/^abc/
abcdef
0: abc
\= Expect no match
abcdef\=notbol
No match
/^(a*|xyz)/
bcd
0:
aaabcd
0: aaa
xyz
0: xyz
1:
xyz\=notempty
0: xyz
\= Expect no match
bcd\=notempty
No match
/xyz$/
xyz
0: xyz
xyz\n
0: xyz
\= Expect no match
xyz\=noteol
No match
xyz\n\=noteol
No match
/xyz$/m
xyz
0: xyz
xyz\n
0: xyz
abcxyz\npqr
0: xyz
abcxyz\npqr\=noteol
0: xyz
xyz\n\=noteol
0: xyz
\= Expect no match
xyz\=noteol
No match
/\Gabc/
abcdef
0: abc
defabcxyz\=offset=3
0: abc
\= Expect no match
defabcxyz
No match
/^abcdef/
ab\=ps
Partial match: ab
abcde\=ps
Partial match: abcde
abcdef\=ps
0: abcdef
\= Expect no match
abx\=ps
No match
/^a{2,4}\d+z/
a\=ps
Partial match: a
aa\=ps
Partial match: aa
aa2\=ps
Partial match: aa2
aaa\=ps
Partial match: aaa
aaa23\=ps
Partial match: aaa23
aaaa12345\=ps
Partial match: aaaa12345
aa0z\=ps
0: aa0z
aaaa4444444444444z\=ps
0: aaaa4444444444444z
\= Expect no match
az\=ps
No match
aaaaa\=ps
No match
a56\=ps
No match
/^abcdef/
abc\=ps
Partial match: abc
def\=dfa_restart
0: def
/(?<=foo)bar/
foob\=ps,offset=2
Partial match: foob
<<<
foobar...\=ps,dfa_restart,offset=4
0: ar
foobar\=offset=2
0: bar
\= Expect no match
xyzfo\=ps
No match
obar\=dfa_restart
No match
/(ab*(cd|ef))+X/
lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\=ps,notbol,noteol
Partial match: abbbbbbcdaefabbbbbbbefa
cdabbbbbbbb\=ps,notbol,dfa_restart,noteol
Partial match: cdabbbbbbbb
efabbbbbbbbbbbbbbbb\=ps,notbol,dfa_restart,noteol
Partial match: efabbbbbbbbbbbbbbbb
bbbbbbbbbbbbcdXyasdfadf\=ps,notbol,dfa_restart,noteol
0: bbbbbbbbbbbbcdX
\= Expect no match
adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\=ps,noteol
No match
/the quick brown fox/
the quick brown fox
0: the quick brown fox
What do you know about the quick brown fox?
0: the quick brown fox
\= Expect no match
The quick brown FOX
No match
What do you know about THE QUICK BROWN FOX?
No match
/The quick brown fox/i
the quick brown fox
0: the quick brown fox
The quick brown FOX
0: The quick brown FOX
What do you know about the quick brown fox?
0: the quick brown fox
What do you know about THE QUICK BROWN FOX?
0: THE QUICK BROWN FOX
/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
abcd\t\n\r\f\a\e9;\$\\?caxyz
0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
abxyzpqrrrabbxyyyypqAzz
0: abxyzpqrrrabbxyyyypqAzz
abxyzpqrrrabbxyyyypqAzz
0: abxyzpqrrrabbxyyyypqAzz
aabxyzpqrrrabbxyyyypqAzz
0: aabxyzpqrrrabbxyyyypqAzz
aaabxyzpqrrrabbxyyyypqAzz
0: aaabxyzpqrrrabbxyyyypqAzz
aaaabxyzpqrrrabbxyyyypqAzz
0: aaaabxyzpqrrrabbxyyyypqAzz
abcxyzpqrrrabbxyyyypqAzz
0: abcxyzpqrrrabbxyyyypqAzz
aabcxyzpqrrrabbxyyyypqAzz
0: aabcxyzpqrrrabbxyyyypqAzz
aaabcxyzpqrrrabbxyyyypAzz
0: aaabcxyzpqrrrabbxyyyypAzz
aaabcxyzpqrrrabbxyyyypqAzz
0: aaabcxyzpqrrrabbxyyyypqAzz
aaabcxyzpqrrrabbxyyyypqqAzz
0: aaabcxyzpqrrrabbxyyyypqqAzz
aaabcxyzpqrrrabbxyyyypqqqAzz
0: aaabcxyzpqrrrabbxyyyypqqqAzz
aaabcxyzpqrrrabbxyyyypqqqqAzz
0: aaabcxyzpqrrrabbxyyyypqqqqAzz
aaabcxyzpqrrrabbxyyyypqqqqqAzz
0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
aaabcxyzpqrrrabbxyyyypqqqqqqAzz
0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
aaaabcxyzpqrrrabbxyyyypqAzz
0: aaaabcxyzpqrrrabbxyyyypqAzz
abxyzzpqrrrabbxyyyypqAzz
0: abxyzzpqrrrabbxyyyypqAzz
aabxyzzzpqrrrabbxyyyypqAzz
0: aabxyzzzpqrrrabbxyyyypqAzz
aaabxyzzzzpqrrrabbxyyyypqAzz
0: aaabxyzzzzpqrrrabbxyyyypqAzz
aaaabxyzzzzpqrrrabbxyyyypqAzz
0: aaaabxyzzzzpqrrrabbxyyyypqAzz
abcxyzzpqrrrabbxyyyypqAzz
0: abcxyzzpqrrrabbxyyyypqAzz
aabcxyzzzpqrrrabbxyyyypqAzz
0: aabcxyzzzpqrrrabbxyyyypqAzz
aaabcxyzzzzpqrrrabbxyyyypqAzz
0: aaabcxyzzzzpqrrrabbxyyyypqAzz
aaaabcxyzzzzpqrrrabbxyyyypqAzz
0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
aaaabcxyzzzzpqrrrabbbxyyyypqAzz
0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
aaabcxyzpqrrrabbxyyyypABzz
0: aaabcxyzpqrrrabbxyyyypABzz
aaabcxyzpqrrrabbxyyyypABBzz
0: aaabcxyzpqrrrabbxyyyypABBzz
>>>aaabxyzpqrrrabbxyyyypqAzz
0: aaabxyzpqrrrabbxyyyypqAzz
>aaaabxyzpqrrrabbxyyyypqAzz
0: aaaabxyzpqrrrabbxyyyypqAzz
>>>>abcxyzpqrrrabbxyyyypqAzz
0: abcxyzpqrrrabbxyyyypqAzz
\= Expect no match
abxyzpqrrabbxyyyypqAzz
No match
abxyzpqrrrrabbxyyyypqAzz
No match
abxyzpqrrrabxyyyypqAzz
No match
aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
No match
aaaabcxyzzzzpqrrrabbbxyyypqAzz
No match
aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
No match
/^(abc){1,2}zz/
abczz
0: abczz
abcabczz
0: abcabczz
\= Expect no match
zz
No match
abcabcabczz
No match
>>abczz
No match
/^(b+?|a){1,2}?c/
bc
0: bc
bbc
0: bbc
bbbc
0: bbbc
bac
0: bac
bbac
0: bbac
aac
0: aac
abbbbbbbbbbbc
0: abbbbbbbbbbbc
bbbbbbbbbbbac
0: bbbbbbbbbbbac
\= Expect no match
aaac
No match
abbbbbbbbbbbac
No match
/^(b+|a){1,2}c/
bc
0: bc
bbc
0: bbc
bbbc
0: bbbc
bac
0: bac
bbac
0: bbac
aac
0: aac
abbbbbbbbbbbc
0: abbbbbbbbbbbc
bbbbbbbbbbbac
0: bbbbbbbbbbbac
\= Expect no match
aaac
No match
abbbbbbbbbbbac
No match
/^(b+|a){1,2}?bc/
bbc
0: bbc
/^(b*|ba){1,2}?bc/
babc
0: babc
bbabc
0: bbabc
bababc
0: bababc
\= Expect no match
bababbc
No match
babababc
No match
/^(ba|b*){1,2}?bc/
babc
0: babc
bbabc
0: bbabc
bababc
0: bababc
\= Expect no match
bababbc
No match
babababc
No match
/^\ca\cA\c[\c{\c:/
\x01\x01\e;z
0: \x01\x01\x1b;z
/^[ab\]cde]/
athing
0: a
bthing
0: b
]thing
0: ]
cthing
0: c
dthing
0: d
ething
0: e
\= Expect no match
fthing
No match
[thing
No match
\\thing
No match
/^[]cde]/
]thing
0: ]
cthing
0: c
dthing
0: d
ething
0: e
\= Expect no match
athing
No match
fthing
No match
/^[^ab\]cde]/
fthing
0: f
[thing
0: [
\\thing
0: \
\= Expect no match
athing
No match
bthing
No match
]thing
No match
cthing
No match
dthing
No match
ething
No match
/^[^]cde]/
athing
0: a
fthing
0: f
\= Expect no match
]thing
No match
cthing
No match
dthing
No match
ething
No match
/^\<5C>/
<20>
0: \x81
/^<5E>/
<20>
0: \xff
/^[0-9]+$/
0
0: 0
1
0: 1
2
0: 2
3
0: 3
4
0: 4
5
0: 5
6
0: 6
7
0: 7
8
0: 8
9
0: 9
10
0: 10
100
0: 100
\= Expect no match
abc
No match
/^.*nter/
enter
0: enter
inter
0: inter
uponter
0: uponter
/^xxx[0-9]+$/
xxx0
0: xxx0
xxx1234
0: xxx1234
\= Expect no match
xxx
No match
/^.+[0-9][0-9][0-9]$/
x123
0: x123
xx123
0: xx123
123456
0: 123456
x1234
0: x1234
\= Expect no match
123
No match
/^.+?[0-9][0-9][0-9]$/
x123
0: x123
xx123
0: xx123
123456
0: 123456
x1234
0: x1234
\= Expect no match
123
No match
/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
abc!pqr=apquxz.ixr.zzz.ac.uk
0: abc!pqr=apquxz.ixr.zzz.ac.uk
\= Expect no match
!pqr=apquxz.ixr.zzz.ac.uk
No match
abc!=apquxz.ixr.zzz.ac.uk
No match
abc!pqr=apquxz:ixr.zzz.ac.uk
No match
abc!pqr=apquxz.ixr.zzz.ac.ukk
No match
/:/
Well, we need a colon: somewhere
0: :
\= Expect no match
No match without a colon
No match
/([\da-f:]+)$/i
0abc
0: 0abc
abc
0: abc
fed
0: fed
E
0: E
::
0: ::
5f03:12C0::932e
0: 5f03:12C0::932e
fed def
0: def
Any old stuff
0: 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
A.12.123.0
0: A.12.123.0
\= 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*$/
1 IN SOA non-sp1 non-sp2(
0: 1 IN SOA non-sp1 non-sp2(
1 IN SOA non-sp1 non-sp2 (
0: 1 IN SOA non-sp1 non-sp2 (
\= Expect no match
1IN SOA non-sp1 non-sp2(
No match
/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
a.
0: a.
Z.
0: Z.
2.
0: 2.
ab-c.pq-r.
0: ab-c.pq-r.
sxk.zzz.ac.uk.
0: sxk.zzz.ac.uk.
x-.y-.
0: x-.y-.
\= Expect no match
-abc.peq.
No match
/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
*.a
0: *.a
*.b0-a
0: *.b0-a
*.c3-b.c
0: *.c3-b.c
*.c-a.b-c
0: *.c-a.b-c
\= Expect no match
*.0
No match
*.a-
No match
*.a-b.c-
No match
*.c-a.0-c
No match
/^(?=ab(de))(abd)(e)/
abde
0: abde
/^(?!(ab)de|x)(abd)(f)/
abdf
0: abdf
/^(?=(ab(cd)))(ab)/
abcd
0: ab
/^[\da-f](\.[\da-f])*$/i
a.b.c.d
0: a.b.c.d
A.B.C.D
0: A.B.C.D
a.b.c.1.2.3.C
0: a.b.c.1.2.3.C
/^\".*\"\s*(;.*)?$/
\"1234\"
0: "1234"
\"abcd\" ;
0: "abcd" ;
\"\" ; rhubarb
0: "" ; rhubarb
\= Expect no match
\"1234\" : things
No match
/^$/
\
0:
/ ^ 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
/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
abcdefhijklm
0: abcdefhijklm
/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
a+ Z0+\x08\n\x1d\x12
0: a+ Z0+\x08\x0a\x1d\x12
/^[.^$|()*+?{,}]+/
.^\$(*+)|{?,?}
0: .^$(*+)|{?,?}
/^a*\w/
z
0: z
az
0: az
1: a
aaaz
0: aaaz
1: aaa
2: aa
3: a
a
0: a
aa
0: aa
1: a
aaaa
0: aaaa
1: aaa
2: aa
3: a
a+
0: a
aa+
0: aa
1: a
/^a*?\w/
z
0: z
az
0: az
1: a
aaaz
0: aaaz
1: aaa
2: aa
3: a
a
0: a
aa
0: aa
1: a
aaaa
0: aaaa
1: aaa
2: aa
3: a
a+
0: a
aa+
0: aa
1: a
/^a+\w/
az
0: az
aaaz
0: aaaz
1: aaa
2: aa
aa
0: aa
aaaa
0: aaaa
1: aaa
2: aa
aa+
0: aa
/^a+?\w/
az
0: az
aaaz
0: aaaz
1: aaa
2: aa
aa
0: aa
aaaa
0: aaaa
1: aaa
2: aa
aa+
0: aa
/^\d{8}\w{2,}/
1234567890
0: 1234567890
12345678ab
0: 12345678ab
12345678__
0: 12345678__
\= Expect no match
1234567
No match
/^[aeiou\d]{4,5}$/
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: 12345
1: 1234
aaaaa
0: aaaaa
1: aaaa
123456
0: 12345
1: 1234
/^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
/^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
From abcd Mon Sep 1 12:33:02 1997
0: From abcd Mon Sep 1 12:33
\= 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?
/(?:(?!foo)...|^.{0,2})bar(.*)/
foobar crowbar etc
0: rowbar etc
barrel
0: barrel
2barrel
0: 2barrel
A barrel
0: A barrel
/^(\D*)(?=\d)(?!123)/
abc456
0: 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
/(?!^)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)/no_auto_possess
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}?(ab*|b)/no_auto_possess
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}?(ab*?|b)/no_auto_possess
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}(ab*?|b)/no_auto_possess
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/ (?: [\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
1: user@dom
user\@dom.ain
0: user@dom.ain
1: user@dom
\"A. Other\" <user.1234\@dom.ain> (a comment)
0: "A. Other" <user.1234@dom.ain> (a comment)
1: "A. Other" <user.1234@dom.ain>
2: "A. Other" <user.1234@dom.ain>
A. Other <user.1234\@dom.ain> (a comment)
0: Other <user.1234@dom.ain> (a comment)
1: Other <user.1234@dom.ain>
2: 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
1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
A missing angle <user\@some.where
0: user@some.where
1: user@some
\= 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
1: user@dom
user\@dom.ain
0: user@dom.ain
1: user@dom
\"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
1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
A missing angle <user\@some.where
0: user@some.where
1: user@some
\= 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
/^\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
/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
/([^.]*)\.([^:]*):[T ]+(.*)/i
track1.title:TBlah blah blah
0: track1.title:TBlah blah blah
/([^.]*)\.([^:]*):[t ]+(.*)/i
track1.title:TBlah blah blah
0: track1.title:TBlah 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$/
abc
0: abc
\= Expect no match
qqq\nabc
No match
abc\nzzz
No match
qqq\nabc\nzzz
No match
/\Aabc\Z/m
abc
0: abc
abc\n
0: abc
\= Expect no match
qqq\nabc
No match
abc\nzzz
No match
qqq\nabc\nzzz
No match
/\A(.)*\Z/s
abc\ndef
0: abc\x0adef
/\A(.)*\Z/m
\= Expect no match
abc\ndef
No match
/(?:b)|(?::+)/
b::c
0: b
c::b
0: ::
/[-az]+/
az-
0: az-
\= Expect no match
b
No match
/[az-]+/
za-
0: za-
\= Expect no match
b
No match
/[a\-z]+/
a-z
0: a-z
\= Expect no match
b
No match
/[a-z]+/
abcdxyz
0: abcdxyz
/[\d-]+/
12-34
0: 12-34
\= Expect no match
aaa
No match
/\x5c/
\\
0: \
/\x20Z/
the Zoo
0: Z
\= Expect no match
Zulu
No match
/ab{3cd/
ab{3cd
0: ab{3cd
/ab{3,cd/
ab{3,cd
0: ab{3,cd
/ab{3,4a}cd/
ab{3,4a}cd
0: ab{3,4a}cd
/{4,5a}bc/
{4,5a}bc
0: {4,5a}bc
/^a.b/newline=lf
a\rb
0: a\x0db
\= Expect no match
a\nb
No match
/abc$/
abc
0: abc
abc\n
0: abc
\= Expect no match
abc\ndef
No match
/(abc)\123/
abc\x53
0: abcS
/(abc)\223/
abc\x93
0: abc\x93
/(abc)\323/
abc\xd3
0: abc\xd3
/(abc)\100/
abc\x40
0: abc@
abc\100
0: abc@
/(abc)\1000/
abc\x400
0: abc@0
abc\x40\x30
0: abc@0
abc\1000
0: abc@0
abc\100\x30
0: abc@0
abc\100\060
0: abc@0
abc\100\60
0: abc@0
/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
abcdefghijk\12S
0: abcdefghijk\x0aS
/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
/(?s)a.b/
a\nb
0: a\x0ab
/^([^a])([^\b])([^c]*)([^d]{3,4})/
baNOTccccd
0: baNOTcccc
1: baNOTccc
2: baNOTcc
3: baNOTc
baNOTcccd
0: baNOTccc
1: baNOTcc
2: baNOTc
baNOTccd
0: baNOTcc
1: baNOTc
bacccd
0: baccc
\= 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]/
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
1.875000282
0: .875000282
1.235
0: .235
/(\.\d\d((?=0)|\d(?=\d)))/
1.230003938
0: .230
1: .23
1.875000282
0: .875
\= 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
/foo(.*)bar/
The food is under the bar in the barn.
0: food is under the bar in the bar
1: food is under the bar
/foo(.*?)bar/
The food is under the bar in the barn.
0: food is under the bar in the bar
1: food is under the bar
/(.*)(\d*)/no_auto_possess
I have 2 numbers: 53147
Matched, but offsets vector is too small to show all matches
0: I have 2 numbers: 53147
1: I have 2 numbers: 5314
2: I have 2 numbers: 531
3: I have 2 numbers: 53
4: I have 2 numbers: 5
5: I have 2 numbers:
6: I have 2 numbers:
7: I have 2 numbers
8: I have 2 number
9: I have 2 numbe
10: I have 2 numb
11: I have 2 num
12: I have 2 nu
13: I have 2 n
14: I have 2
/(.*)(\d+)/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
1: I have 2
/(.*?)(\d*)/no_auto_possess
I have 2 numbers: 53147
Matched, but offsets vector is too small to show all matches
0: I have 2 numbers: 53147
1: I have 2 numbers: 5314
2: I have 2 numbers: 531
3: I have 2 numbers: 53
4: I have 2 numbers: 5
5: I have 2 numbers:
6: I have 2 numbers:
7: I have 2 numbers
8: I have 2 number
9: I have 2 numbe
10: I have 2 numb
11: I have 2 num
12: I have 2 nu
13: I have 2 n
14: I have 2
/(.*?)(\d+)/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
1: I have 2
/(.*)(\d+)$/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
/(.*?)(\d+)$/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
/(.*)\b(\d+)$/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
/(.*\D)(\d+)$/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
/^\D*(?!123)/
ABC123
0: AB
1: A
2:
/^(\D*)(?=\d)(?!123)/
ABC445
0: 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:
aab
0: a
1:
/^(a){0,2}/
bcd
0:
abc
0: a
1:
aab
0: aa
1: a
2:
/^(a){0,3}/
bcd
0:
abc
0: a
1:
aab
0: aa
1: a
2:
aaa
0: aaa
1: aa
2: a
3:
/^(a){0,}/
bcd
0:
abc
0: a
1:
aab
0: aa
1: a
2:
aaa
0: aaa
1: aa
2: a
3:
aaaaaaaa
0: aaaaaaaa
1: aaaaaaa
2: aaaaaa
3: aaaaa
4: aaaa
5: aaa
6: aa
7: a
8:
/^(a){1,1}/
abc
0: a
aab
0: a
\= Expect no match
bcd
No match
/^(a){1,2}/
abc
0: a
aab
0: aa
1: a
\= Expect no match
bcd
No match
/^(a){1,3}/
abc
0: a
aab
0: aa
1: a
aaa
0: aaa
1: aa
2: a
\= Expect no match
bcd
No match
/^(a){1,}/
abc
0: a
aab
0: aa
1: a
aaa
0: aaa
1: aa
2: a
aaaaaaaa
0: aaaaaaaa
1: aaaaaaa
2: aaaaaa
3: aaaaa
4: aaaa
5: aaa
6: aa
7: 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
1: borfle\x0abib.gif
2: borfle
/.*$/
borfle\nbib.gif\nno\n
0: no
/.*$/m
borfle\nbib.gif\nno\n
0: borfle
/.*$/s
borfle\nbib.gif\nno\n
0: borfle\x0abib.gif\x0ano\x0a
1: borfle\x0abib.gif\x0ano
/.*$/ms
borfle\nbib.gif\nno\n
0: borfle\x0abib.gif\x0ano\x0a
1: borfle\x0abib.gif\x0ano
2: borfle\x0abib.gif
3: borfle
/(.*X|^B)/
abcde\n1234Xyz
0: 1234X
BarFoo
0: B
\= Expect no match
abcde\nBar
No match
/(.*X|^B)/m
abcde\n1234Xyz
0: 1234X
BarFoo
0: B
abcde\nBar
0: B
/(.*X|^B)/s
abcde\n1234Xyz
0: abcde\x0a1234X
BarFoo
0: B
\= Expect no match
abcde\nBar
No match
/(.*X|^B)/ms
abcde\n1234Xyz
0: abcde\x0a1234X
BarFoo
0: B
abcde\nBar
0: B
/(?s)(.*X|^B)/
abcde\n1234Xyz
0: abcde\x0a1234X
BarFoo
0: 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
/^[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
ab
0: ab
abbbb
0: abbbb
\= 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"
\"the \\\"quick\\\" brown fox\"
0: "the \"quick\" brown fox"
/.*?/g,aftertext
abc
0: abc
0+
1: ab
2: a
3:
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>
/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
bbac
0: bbac
bbbac
0: bbbac
bbbbac
0: bbbbac
bbbbbac
0: bbbbbac
/^(b+|a){1,2}?c/
bac
0: bac
bbac
0: bbac
bbbac
0: bbbac
bbbbac
0: bbbbac
bbbbbac
0: bbbbbac
/(?!\A)x/m
a\bx\n
0: x
\= Expect no match
x\nb\n
No match
/\x0{ab}/
\0{ab}
0: \x00{ab}
/(A|B)*?CD/
CD
0: CD
/(A|B)*CD/
CD
0: CD
/(?<!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
\= 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"
\= Expect no match
/this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
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
/(?>(\.\d\d[1-9]?))\d+/
1.230003938
0: .230003938
1.875000282
0: .875000282
\= 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
\= Expect no match
this is not a line with only words and spaces!
No match
/(\d+)(\w)/
12345a
0: 12345a
1: 12345
2: 1234
3: 123
4: 12
12345+
0: 12345
1: 1234
2: 123
3: 12
/((?>\d+))(\w)/
12345a
0: 12345a
\= Expect no match
12345+
No match
/(?>a+)b/
aaab
0: aaab
/((?>a+)b)/
aaab
0: aaab
/(?>(a+))b/
aaab
0: aaab
/(?>b)+/
aaabbbccc
0: bbb
1: bb
2: b
/(?>a+|b+|c+)*c/
aaabbbbccccd
0: aaabbbbcccc
1: aaabbbbc
/(a+|b+|c+)*c/
aaabbbbccccd
0: aaabbbbcccc
1: aaabbbbccc
2: aaabbbbcc
3: aaabbbbc
/((?>[^()]+)|\([^()]*\))+/
((abc(ade)ufh()()x
0: abc(ade)ufh()()x
1: abc(ade)ufh()()
2: abc(ade)ufh()
3: abc(ade)ufh
4: abc(ade)
5: abc
/\(((?>[^()]+)|\([^()]+\))+\)/
(abc)
0: (abc)
(abc(def)xyz)
0: (abc(def)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
\= 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
\= Expect no match
abcdef
No match
/(a(?i)b)c/
abc
0: abc
aBc
0: aBc
\= 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
aBxxc
0: xxc
\= Expect no match
Abxxc
No match
ABxxc
No match
abxxC
No match
/^(?(?=abc)\w{3}:|\d\d)$/
abc:
0: abc:
12
0: 12
\= Expect no match
123
No match
xyz
No match
/^(?(?!abc)\d\d|\w{3}:)$/
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
/(?>a*)*/
a
0: a
1:
aa
0: aa
1:
aaaa
0: aaaa
1:
/(abc|)+/
abc
0: abc
1:
abcabc
0: abcabc
1: abc
2:
abcabcabc
0: abcabcabc
1: abcabc
2: abc
3:
xyz
0:
/([a]*)*/
a
0: a
1:
aaaaa
0: aaaaa
1: aaaa
2: aaa
3: aa
4: a
5:
/([ab]*)*/
a
0: a
1:
b
0: b
1:
ababab
0: ababab
1: ababa
2: abab
3: aba
4: ab
5: a
6:
aaaabcde
0: aaaab
1: aaaa
2: aaa
3: aa
4: a
5:
bbbb
0: bbbb
1: bbb
2: bb
3: b
4:
/([^a]*)*/
b
0: b
1:
bbbb
0: bbbb
1: bbb
2: bb
3: b
4:
aaa
0:
/([^ab]*)*/
cccc
0: cccc
1: ccc
2: cc
3: c
4:
abab
0:
/([a]*?)*/
a
0: a
1:
aaaa
0: aaaa
1: aaa
2: aa
3: a
4:
/([ab]*?)*/
a
0: a
1:
b
0: b
1:
abab
0: abab
1: aba
2: ab
3: a
4:
baba
0: baba
1: bab
2: ba
3: b
4:
/([^a]*?)*/
b
0: b
1:
bbbb
0: bbbb
1: bbb
2: bb
3: b
4:
aaa
0:
/([^ab]*?)*/
c
0: c
1:
cccc
0: cccc
1: ccc
2: cc
3: c
4:
baba
0:
/(?>a*)*/
a
0: a
1:
aaabcde
0: aaa
1:
/((?>a*))*/
aaaaa
0: aaaaa
1:
aabbaa
0: aa
1:
/((?>a*?))*/
aaaaa
0: aaaaa
1:
aabbaa
0: aa
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
/(?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
aBCx
0: aBCx
bbx
0: bbx
BBx
0: BBx
\= Expect no match
abcX
No match
aBCX
No match
bbX
No match
BBX
No match
/^([ab](?i)[cd]|[ef])/
ac
0: ac
aC
0: aC
bD
0: bD
elephant
0: e
Europe
0: E
frog
0: f
France
0: F
\= Expect no match
Africa
No match
/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
ab
0: ab
aBd
0: aBd
xy
0: xy
xY
0: xY
zebra
0: z
Zambesi
0: 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 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+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$/
aabc
0: abc
aabc
0: abc
\= Expect no match
aabcd
No match
/^/
abc
0:
/$/
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
/$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
\= Expect no match
a\b
No match
/((a))/
abc
0: a
/(a)b(c)/
abc
0: abc
/a+b+c/
aabbabc
0: abc
/a{1,}b{1,}c/
aabbabc
0: abc
/a.+?c/
abcabc
0: abcabc
1: abc
/(a+|b)*/
ab
0: ab
1: a
2:
/(a+|b){0,}/
ab
0: ab
1: a
2:
/(a+|b)+/
ab
0: ab
1: a
/(a+|b){1,}/
ab
0: ab
1: a
/(a+|b)?/
ab
0: a
1:
/(a+|b){0,1}/
ab
0: a
1:
/[^ab]*/
cde
0: cde
/abc/
\= Expect no match
b
No match
/a*/
/([abc])*d/
abbbcd
0: abbbcd
/([abc])*bcd/
abcd
0: abcd
/a|b|c|d|e/
e
0: e
/(a|b|c|d|e)f/
ef
0: ef
/abcd*efg/
abcdefg
0: abcdefg
/ab*/
xabyabbbz
0: ab
xayabbbz
0: a
/(ab|cd)e/
abcde
0: cde
/[abhgefdc]ij/
hij
0: hij
/^(ab|cd)e/
/(abc|)ef/
abcdef
0: ef
/(a|b)c*d/
abcd
0: bcd
/(ab|ab*)bc/
abc
0: abc
/a([bc]*)c*/
abc
0: abc
1: a
/a([bc]*)(c*d)/
abcd
0: abcd
/a([bc]+)(c*d)/
abcd
0: abcd
/a([bc]*)(c+d)/
abcd
0: abcd
/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
/((a)(b)c)(d)/
abcd
0: abcd
/[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
ij
0: ij
reffgz
0: effgz
\= Expect no match
effg
No match
bcdd
No match
/((((((((((a))))))))))/
a
0: a
/(((((((((a)))))))))/
a
0: 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
/\((.*), (.*)\)/
(a, b)
0: (a, b)
/[k]/
/abcd/
abcd
0: abcd
/a(bc)d/
abcd
0: abcd
/a[-]?c/
ac
0: ac
/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
/$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
\= Expect no match
A\=notbol
No match
/((a))/i
ABC
0: A
/(a)b(c)/i
ABC
0: ABC
/a+b+c/i
AABBABC
0: ABC
/a{1,}b{1,}c/i
AABBABC
0: ABC
/a.+?c/i
ABCABC
0: ABCABC
1: ABC
/a.*?c/i
ABCABC
0: ABCABC
1: ABC
/a.{0,5}?c/i
ABCABC
0: ABCABC
1: ABC
/(a+|b)*/i
AB
0: AB
1: A
2:
/(a+|b){0,}/i
AB
0: AB
1: A
2:
/(a+|b)+/i
AB
0: AB
1: A
/(a+|b){1,}/i
AB
0: AB
1: A
/(a+|b)?/i
AB
0: A
1:
/(a+|b){0,1}/i
AB
0: A
1:
/(a+|b){0,1}?/i
AB
0: A
1:
/[^ab]*/i
CDE
0: CDE
/abc/i
/a*/i
/([abc])*d/i
ABBBCD
0: ABBBCD
/([abc])*bcd/i
ABCD
0: ABCD
/a|b|c|d|e/i
E
0: E
/(a|b|c|d|e)f/i
EF
0: EF
/abcd*efg/i
ABCDEFG
0: ABCDEFG
/ab*/i
XABYABBBZ
0: AB
XAYABBBZ
0: A
/(ab|cd)e/i
ABCDE
0: CDE
/[abhgefdc]ij/i
HIJ
0: HIJ
/^(ab|cd)e/i
\= Expect no match
ABCDE
No match
/(abc|)ef/i
ABCDEF
0: EF
/(a|b)c*d/i
ABCD
0: BCD
/(ab|ab*)bc/i
ABC
0: ABC
/a([bc]*)c*/i
ABC
0: ABC
1: A
/a([bc]*)(c*d)/i
ABCD
0: ABCD
/a([bc]+)(c*d)/i
ABCD
0: ABCD
/a([bc]*)(c+d)/i
ABCD
0: ABCD
/a[bcd]*dcdcde/i
ADCDCDE
0: ADCDCDE
/a[bcd]+dcdcde/i
/(ab|a)b*c/i
ABC
0: ABC
/((a)(b)c)(d)/i
ABCD
0: ABCD
/[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
IJ
0: IJ
REFFGZ
0: EFFGZ
\= Expect no match
ADCDCDE
No match
EFFG
No match
BCDD
No match
/((((((((((a))))))))))/i
A
0: A
/(((((((((a)))))))))/i
A
0: A
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
A
0: A
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
C
0: 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
/\((.*), (.*)\)/i
(A, B)
0: (A, B)
/[k]/i
/abcd/i
ABCD
0: ABCD
/a(bc)d/i
ABCD
0: ABCD
/a[-]?c/i
AC
0: AC
/a(?!b)./
abad
0: ad
/a(?=d)./
abad
0: ad
/a(?=c|d)./
abad
0: ad
/a(?:b|c|d)(.)/
ace
0: ace
/a(?:b|c|d)*(.)/
ace
0: ace
1: ac
/a(?:b|c|d)+?(.)/
ace
0: ace
acdbcdbe
0: acdbcdbe
1: acdbcdb
2: acdbcd
3: acdbc
4: acdb
5: acd
/a(?:b|c|d)+(.)/
acdbcdbe
0: acdbcdbe
1: acdbcdb
2: acdbcd
3: acdbc
4: acdb
5: acd
/a(?:b|c|d){2}(.)/
acdbcdbe
0: acdb
/a(?:b|c|d){4,5}(.)/
acdbcdbe
0: acdbcdb
1: acdbcd
/a(?:b|c|d){4,5}?(.)/
acdbcdbe
0: acdbcdb
1: acdbcd
/((foo)|(bar))*/
foobar
0: foobar
1: foo
2:
/a(?:b|c|d){6,7}(.)/
acdbcdbe
0: acdbcdbe
/a(?:b|c|d){6,7}?(.)/
acdbcdbe
0: acdbcdbe
/a(?:b|c|d){5,6}(.)/
acdbcdbe
0: acdbcdbe
1: acdbcdb
/a(?:b|c|d){5,6}?(.)/
acdbcdbe
0: acdbcdbe
1: acdbcdb
/a(?:b|c|d){5,7}(.)/
acdbcdbe
0: acdbcdbe
1: acdbcdb
/a(?:b|c|d){5,7}?(.)/
acdbcdbe
0: acdbcdbe
1: acdbcdb
/a(?:b|(c|e){1,2}?|d)+?(.)/
ace
0: ace
/^(.+)?B/
AB
0: AB
/^([^a-z])|(\^)$/
.
0: .
/^[<>]&/
<&OUT
0: <&
/(?:(f)(o)(o)|(b)(a)(r))*/
foobar
0: foobar
1: foo
2:
/(?<=a)b/
ab
0: b
\= Expect no match
cb
No match
b
No match
/(?<!c)b/
ab
0: b
b
0: b
b
0: b
/(?:..)*a/
aba
0: aba
1: a
/(?:..)*?a/
aba
0: aba
1: a
/^(){3,5}/
abc
0:
/^(a+)*ax/
aax
0: aax
/^((a|b)+)*ax/
aax
0: aax
/^((a|bc)+)*ax/
aax
0: aax
/(a|x)*ab/
cab
0: ab
/(a)*ab/
cab
0: ab
/(?:(?i)a)b/
ab
0: ab
/((?i)a)b/
ab
0: ab
/(?:(?i)a)b/
Ab
0: Ab
/((?i)a)b/
Ab
0: Ab
/(?:(?i)a)b/
\= Expect no match
cb
No match
aB
No match
/((?i)a)b/
/(?i:a)b/
ab
0: ab
/((?i:a))b/
ab
0: ab
/(?i:a)b/
Ab
0: Ab
/((?i:a))b/
Ab
0: Ab
/(?i:a)b/
\= Expect no match
aB
No match
aB
No match
/((?i:a))b/
/(?:(?-i)a)b/i
ab
0: ab
/((?-i)a)b/i
ab
0: ab
/(?:(?-i)a)b/i
aB
0: aB
/((?-i)a)b/i
aB
0: aB
/(?:(?-i)a)b/i
aB
0: aB
\= Expect no match
Ab
No match
/((?-i)a)b/i
/(?:(?-i)a)b/i
aB
0: aB
/((?-i)a)b/i
aB
0: aB
/(?:(?-i)a)b/i
\= Expect no match
Ab
No match
AB
No match
/((?-i)a)b/i
/(?-i:a)b/i
ab
0: ab
/((?-i:a))b/i
ab
0: ab
/(?-i:a)b/i
aB
0: aB
/((?-i:a))b/i
aB
0: aB
/(?-i:a)b/i
\= Expect no match
AB
No match
Ab
No match
/((?-i:a))b/i
/(?-i:a)b/i
aB
0: aB
/((?-i:a))b/i
aB
0: aB
/(?-i:a)b/i
\= Expect no match
Ab
No match
AB
No match
/((?-i:a))b/i
/((?-i:a.))b/i
\= Expect no match
AB
No match
a\nB
No match
/((?s-i:a.))b/i
a\nB
0: a\x0aB
/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
cabbbb
0: cabbbb
/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
/foo\w*\d{4}baz/
foobar1234baz
0: foobar1234baz
/x(~~)*(?:(?:F)?)?/
x~~
0: x~~
1: x
/^a(?#xxx){3}c/
aaac
0: aaac
/^a (?#xxx) (?#yyy) {3}c/x
aaac
0: aaac
/(?<![cd])b/
\= Expect no match
B\nB
No match
dbcb
No match
/(?<![cd])[ab]/
dbaacb
0: a
/(?<!(c|d))b/
/(?<!(c|d))[ab]/
dbaacb
0: a
/(?<!cd)[ab]/
cdaccb
0: b
/^(?:a?b?)*$/
\= Expect no match
dbcb
No match
a--
No match
/((?s)^a(.))((?m)^b$)/
a\nb\nc\n
0: a\x0ab
/((?m)^b$)/
a\nb\nc\n
0: b
/(?m)^b/
a\nb\n
0: b
/(?m)^(b)/
a\nb\n
0: b
/((?m)^b)/
a\nb\n
0: b
/\n((?m)^b)/
a\nb\n
0: \x0ab
/((?s).)c(?!.)/
a\nb\nc\n
0: \x0ac
a\nb\nc\n
0: \x0ac
/((?s)b.)c(?!.)/
a\nb\nc\n
0: b\x0ac
a\nb\nc\n
0: b\x0ac
/^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
/(?(?!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
/(\w+:)+/
one:
0: one:
/$(?<=^(a))/
a
0:
/([\w:]+::)?(\w+)$/
abcd
0: abcd
xy:z:::abcd
0: xy:z:::abcd
/^[^bcd]*(c+)/
aexycd
0: aexyc
/(a*)b+/
caab
0: aab
/([\w:]+::)?(\w+)$/
abcd
0: abcd
xy:z:::abcd
0: xy:z:::abcd
\= Expect no match
abcd:
No match
abcd:
No match
/^[^bcd]*(c+)/
aexycd
0: aexyc
/(>a+)ab/
/(?>a+)b/
aaab
0: aaab
/([[:]+)/
a:[b]:
0: :[
/([[=]+)/
a=[b]=
0: =[
/([[.]+)/
a.[b].
0: .[
/((?>a+)b)/
aaab
0: aaab
/(?>(a+))b/
aaab
0: aaab
/((?>[^()]+)|\([^()]*\))+/
((abc(ade)ufh()()x
0: abc(ade)ufh()()x
1: abc(ade)ufh()()
2: abc(ade)ufh()
3: abc(ade)ufh
4: abc(ade)
5: abc
/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
/(?>.*)(?<=(abcd|wxyz))/
alphabetabcd
0: alphabetabcd
endingwxyz
0: endingwxyz
\= 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
/((Z)+|A)*/
ZABCDEFG
0: ZA
1: Z
2:
/(Z()|A)*/
ZABCDEFG
0: ZA
1: Z
2:
/(Z(())|A)*/
ZABCDEFG
0: ZA
1: Z
2:
/((?>Z)+|A)*/
ZABCDEFG
0: ZA
1: Z
2:
/((?>)+|A)*/
ZABCDEFG
0:
/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$xyz
/\Gabc/
abc
0: abc
\= Expect no match
xyzabc
No match
/\Gabc./g
abc1abc2xyzabc3
0: abc1
0: abc2
/abc./g
abc1abc2xyzabc3
0: abc1
0: abc2
0: abc3
/a(?x: b c )d/
XabcdY
0: abcd
\= Expect no match
Xa b c d Y
No match
/((?x)x y z | a b c)/
XabcY
0: abc
AxyzB
0: xyz
/(?i)AB(?-i)C/
XabCY
0: abC
\= Expect no match
XabcY
No match
/((?i)AB(?-i)C|D)E/
abCE
0: abCE
DE
0: DE
\= Expect no match
abcE
No match
abCe
No match
dE
No match
De
No match
/[z\Qa-d]\E]/
z
0: z
a
0: a
-
0: -
d
0: d
]
0: ]
\= Expect no match
b
No match
/(a+)*b/
\= Expect no match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
/(?i)reg(?:ul(?:[a<>]|ae)r|ex)/
REGular
0: REGular
regulaer
0: regulaer
Regex
0: Regex
regul<75>r
0: regul\xe4r
/<2F><><EFBFBD><EFBFBD>[<5B>-<2D><>-<2D>]+/
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xe0
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xff
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xc0
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xdf
/(?<=Z)X./
\x84XAZXB
0: XB
/^(?(2)a|(1)(2))+$/
123a
Failed: error -40: backreference condition or recursion test is not supported for DFA matching
/(?<=a|bbbb)c/
ac
0: c
bbbbc
0: c
/line\nbreak/
this is a line\nbreak
0: line\x0abreak
line one\nthis is a line\nbreak in the second line
0: line\x0abreak
/line\nbreak/firstline
this is a line\nbreak
0: line\x0abreak
\= Expect no match
line one\nthis is a line\nbreak in the second line
No match
/line\nbreak/m,firstline
this is a line\nbreak
0: line\x0abreak
\= Expect no match
line one\nthis is a line\nbreak in the second line
No match
/1234/
123\=ps
Partial match: 123
\= Expect no match
a4\=ps,dfa_restart
No match
/1234/
123\=ps
Partial match: 123
4\=ps,dfa_restart
0: 4
/^/gm
a\nb\nc\n
0:
0:
0:
\
0:
/(?<=C\n)^/gm
A\nC\nC\n
0:
/(?s)A?B/
AB
0: AB
aB
0: B
/(?s)A*B/
AB
0: AB
aB
0: B
/(?m)A?B/
AB
0: AB
aB
0: B
/(?m)A*B/
AB
0: AB
aB
0: B
/Content-Type\x3A[^\r\n]{6,}/
Content-Type:xxxxxyyy
0: Content-Type:xxxxxyyy
/Content-Type\x3A[^\r\n]{6,}z/
Content-Type:xxxxxyyyz
0: Content-Type:xxxxxyyyz
/Content-Type\x3A[^a]{6,}/
Content-Type:xxxyyy
0: Content-Type:xxxyyy
/Content-Type\x3A[^a]{6,}z/
Content-Type:xxxyyyz
0: Content-Type:xxxyyyz
/^abc/Im,newline=lf
Capturing subpattern count = 0
Options: multiline
Forced newline is LF
First code unit at start or follows newline
Last code unit = 'c'
Subject length lower bound = 3
xyz\nabc
0: abc
xyz\r\nabc
0: abc
\= Expect no match
xyz\rabc
No match
xyzabc\r
No match
xyzabc\rpqr
No match
xyzabc\r\n
No match
xyzabc\r\npqr
No match
/^abc/Im,newline=crlf
Capturing subpattern count = 0
Options: multiline
Forced newline is CRLF
First code unit at start or follows newline
Last code unit = 'c'
Subject length lower bound = 3
xyz\r\nabclf>
0: abc
\= Expect no match
xyz\nabclf
No match
xyz\rabclf
No match
/^abc/Im,newline=cr
Capturing subpattern count = 0
Options: multiline
Forced newline is CR
First code unit at start or follows newline
Last code unit = 'c'
Subject length lower bound = 3
xyz\rabc
0: abc
\= Expect no match
xyz\nabc
No match
xyz\r\nabc
No match
/.*/I,newline=lf
Capturing subpattern count = 0
May match empty string
Forced newline is LF
First code unit at start or follows newline
Subject length lower bound = 0
abc\ndef
0: abc
abc\rdef
0: abc\x0ddef
abc\r\ndef
0: abc\x0d
/.*/I,newline=cr
Capturing subpattern count = 0
May match empty string
Forced newline is CR
First code unit at start or follows newline
Subject length lower bound = 0
abc\ndef
0: abc\x0adef
abc\rdef
0: abc
abc\r\ndef
0: abc
/.*/I,newline=crlf
Capturing subpattern count = 0
May match empty string
Forced newline is CRLF
First code unit at start or follows newline
Subject length lower bound = 0
abc\ndef
0: abc\x0adef
abc\rdef
0: abc\x0ddef
abc\r\ndef
0: abc
/\w+(.)(.)?def/Is
Capturing subpattern count = 2
Options: dotall
Starting code units: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P
Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z
Last code unit = 'f'
Subject length lower bound = 5
abc\ndef
0: abc\x0adef
abc\rdef
0: abc\x0ddef
abc\r\ndef
0: abc\x0d\x0adef
/\w+(.)(.)?def/s
abc\ndef
0: abc\x0adef
abc\rdef
0: abc\x0ddef
abc\r\ndef
0: abc\x0d\x0adef
/^\w+=.*(\\\n.*)*/
abc=xyz\\\npqr
0: abc=xyz\\x0apqr
1: abc=xyz\\x0apq
2: abc=xyz\\x0ap
3: abc=xyz\\x0a
4: abc=xyz\
5: abc=xyz
6: abc=xy
7: abc=x
8: abc=
/^(a()*)*/
aaaa
0: aaaa
1: aaa
2: aa
3: a
4:
/^(?:a(?:(?:))*)*/
aaaa
0: aaaa
1: aaa
2: aa
3: a
4:
/^(a()+)+/
aaaa
0: aaaa
1: aaa
2: aa
3: a
/^(?:a(?:(?:))+)+/
aaaa
0: aaaa
1: aaa
2: aa
3: a
/(a|)*\d/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
\= 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
/^a.b/newline=lf
a\rb
0: a\x0db
\= Expect no match
a\nb
No match
/^a.b/newline=cr
a\nb
0: a\x0ab
\= Expect no match
a\rb
No match
/^a.b/newline=anycrlf
a\x85b
0: a\x85b
\= Expect no match
a\rb
No match
/^a.b/newline=any
\= Expect no match
a\nb
No match
a\rb
No match
a\x85b
No match
/^abc./gmx,newline=any
abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 JUNK
0: abc1
0: abc2
0: abc3
0: abc4
0: abc5
0: abc6
0: abc7
/abc.$/gmx,newline=any
abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc9
0: abc1
0: abc2
0: abc3
0: abc4
0: abc5
0: abc6
0: abc9
/^a\Rb/bsr=unicode
a\nb
0: a\x0ab
a\rb
0: a\x0db
a\r\nb
0: a\x0d\x0ab
a\x0bb
0: a\x0bb
a\x0cb
0: a\x0cb
a\x85b
0: a\x85b
\= Expect no match
a\n\rb
No match
/^a\R*b/bsr=unicode
ab
0: ab
a\nb
0: a\x0ab
a\rb
0: a\x0db
a\r\nb
0: a\x0d\x0ab
a\x0bb
0: a\x0bb
a\x0cb
0: a\x0cb
a\x85b
0: a\x85b
a\n\rb
0: a\x0a\x0db
a\n\r\x85\x0cb
0: a\x0a\x0d\x85\x0cb
/^a\R+b/bsr=unicode
a\nb
0: a\x0ab
a\rb
0: a\x0db
a\r\nb
0: a\x0d\x0ab
a\x0bb
0: a\x0bb
a\x0cb
0: a\x0cb
a\x85b
0: a\x85b
a\n\rb
0: a\x0a\x0db
a\n\r\x85\x0cb
0: a\x0a\x0d\x85\x0cb
\= Expect no match
ab
No match
/^a\R{1,3}b/bsr=unicode
a\nb
0: a\x0ab
a\n\rb
0: a\x0a\x0db
a\n\r\x85b
0: a\x0a\x0d\x85b
a\r\n\r\nb
0: a\x0d\x0a\x0d\x0ab
a\r\n\r\n\r\nb
0: a\x0d\x0a\x0d\x0a\x0d\x0ab
a\n\r\n\rb
0: a\x0a\x0d\x0a\x0db
a\n\n\r\nb
0: a\x0a\x0a\x0d\x0ab
\= Expect no match
a\n\n\n\rb
No match
a\r
No match
/.+foo/
afoo
0: afoo
\= Expect no match
\r\nfoo
No match
\nfoo
No match
/.+foo/newline=crlf
afoo
0: afoo
\nfoo
0: \x0afoo
\= Expect no match
\r\nfoo
No match
/.+foo/newline=any
afoo
0: afoo
\= Expect no match
\nfoo
No match
\r\nfoo
No match
/.+foo/s
afoo
0: afoo
\r\nfoo
0: \x0d\x0afoo
\nfoo
0: \x0afoo
/^$/gm,newline=any
abc\r\rxyz
0:
abc\n\rxyz
0:
\= Expect no match
abc\r\nxyz
No match
/^X/m
XABC
0: X
\= Expect no match
XABC\=notbol
No match
/(?m)^$/g,newline=any,aftertext
abc\r\n\r\n
0:
0+ \x0d\x0a
/(?m)^$|^\r\n/g,newline=any,aftertext
abc\r\n\r\n
0: \x0d\x0a
0+
1:
/(?m)$/g,newline=any,aftertext
abc\r\n\r\n
0:
0+ \x0d\x0a\x0d\x0a
0:
0+ \x0d\x0a
0:
0+
/(?|(abc)|(xyz))/
>abc<
0: abc
>xyz<
0: xyz
/(x)(?|(abc)|(xyz))(x)/
xabcx
0: xabcx
xxyzx
0: xxyzx
/(x)(?|(abc)(pqr)|(xyz))(x)/
xabcpqrx
0: xabcpqrx
xxyzx
0: xxyzx
/(?|(abc)|(xyz))(?1)/
abcabc
0: abcabc
xyzabc
0: xyzabc
\= Expect no match
xyzxyz
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
1: B
/\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
/.+A/newline=crlf
\= Expect no match
\r\nA
No match
/\nA/newline=crlf
\r\nA
0: \x0aA
/[\r\n]A/newline=crlf
\r\nA
0: \x0aA
/(\r|\n)A/newline=crlf
\r\nA
0: \x0aA
/a\Rb/I,bsr=anycrlf
Capturing subpattern count = 0
\R matches CR, LF, or CRLF
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 3
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
\= Expect no match
a\x85b
No match
a\x0bb
No match
/a\Rb/I,bsr=unicode
Capturing subpattern count = 0
\R matches any Unicode newline
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 3
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
a\x85b
0: a\x85b
a\x0bb
0: a\x0bb
/a\R?b/I,bsr=anycrlf
Capturing subpattern count = 0
\R matches CR, LF, or CRLF
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 2
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
\= Expect no match
a\x85b
No match
a\x0bb
No match
/a\R?b/I,bsr=unicode
Capturing subpattern count = 0
\R matches any Unicode newline
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 2
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
a\x85b
0: a\x85b
a\x0bb
0: a\x0bb
/a\R{2,4}b/I,bsr=anycrlf
Capturing subpattern count = 0
\R matches CR, LF, or CRLF
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 4
a\r\n\nb
0: a\x0d\x0a\x0ab
a\n\r\rb
0: a\x0a\x0d\x0db
a\r\n\r\n\r\n\r\nb
0: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab
\= Expect no match
a\x0b\x0bb
No match
a\x85\x85b
No match
/a\R{2,4}b/I,bsr=unicode
Capturing subpattern count = 0
\R matches any Unicode newline
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 4
a\r\rb
0: a\x0d\x0db
a\n\n\nb
0: a\x0a\x0a\x0ab
a\r\n\n\r\rb
0: a\x0d\x0a\x0a\x0d\x0db
a\x85\x85b
0: a\x85\x85b
a\x0b\x0bb
0: a\x0b\x0bb
\= Expect no match
a\r\r\r\r\rb
No match
/a(?!)|\wbc/
abc
0: abc
/a[]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
\= Expect no match
ab
No match
/a[]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
\= Expect no match
ab
No match
/a[]*+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
\= Expect no match
ab
No match
/a[^]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
aXb
0: aXb
a\nb
0: a\x0ab
\= Expect no match
ab
No match
/a[^]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
aXb
0: aXb
a\nX\nXb
0: a\x0aX\x0aXb
\= Expect no match
ab
No match
/X$/dollar_endonly
X
0: X
\= Expect no match
X\n
No match
/X$/
X
0: X
X\n
0: X
/xyz/auto_callout
xyz
--->xyz
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^ End of pattern
0: xyz
abcxyz
--->abcxyz
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^ End of pattern
0: xyz
\= Expect no match
abc
No match
abcxypqr
No match
/xyz/auto_callout,no_start_optimize
abcxyz
--->abcxyz
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^ End of pattern
0: xyz
\= Expect no match
abc
--->abc
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
No match
abcxypqr
--->abcxypqr
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
No match
/(*NO_START_OPT)xyz/auto_callout
abcxyz
--->abcxyz
+15 ^ x
+15 ^ x
+15 ^ x
+15 ^ x
+16 ^^ y
+17 ^ ^ z
+18 ^ ^ End of pattern
0: xyz
/(?C)ab/
ab
--->ab
0 ^ a
0: ab
ab\=callout_none
0: ab
/ab/auto_callout
ab
--->ab
+0 ^ a
+1 ^^ b
+2 ^ ^ End of pattern
0: ab
ab\=callout_none
0: ab
/^"((?(?=[a])[^"])|b)*"$/auto_callout
"ab"
--->"ab"
+0 ^ ^
+1 ^ "
+2 ^^ (
+21 ^^ "
+3 ^^ (?
+18 ^^ b
+5 ^^ (?=
+8 ^ [a]
+11 ^^ )
+12 ^^ [^"]
+16 ^ ^ )
+17 ^ ^ |
+21 ^ ^ "
+3 ^ ^ (?
+18 ^ ^ b
+5 ^ ^ (?=
+8 ^ [a]
+19 ^ ^ )*
+21 ^ ^ "
+3 ^ ^ (?
+18 ^ ^ b
+5 ^ ^ (?=
+8 ^ [a]
+17 ^ ^ |
+22 ^ ^ $
+23 ^ ^ End of pattern
0: "ab"
"ab"\=callout_none
0: "ab"
/\d+X|9+Y/
++++123999\=ps
Partial match: 123999
++++123999Y\=ps
0: 999Y
/Z(*F)/
\= Expect no match
Z\=ps
No match
ZA\=ps
No match
/Z(?!)/
\= Expect no match
Z\=ps
No match
ZA\=ps
No match
/dog(sbody)?/
dogs\=ps
0: dog
dogs\=ph
Partial match: dogs
/dog(sbody)??/
dogs\=ps
0: dog
dogs\=ph
Partial match: dogs
/dog|dogsbody/
dogs\=ps
0: dog
dogs\=ph
Partial match: dogs
/dogsbody|dog/
dogs\=ps
0: dog
dogs\=ph
Partial match: dogs
/Z(*F)Q|ZXY/
Z\=ps
Partial match: Z
\= Expect no match
ZA\=ps
No match
X\=ps
No match
/\bthe cat\b/
the cat\=ps
0: the cat
the cat\=ph
Partial match: the cat
/dog(sbody)?/
dogs\=ps
0: dog
body\=dfa_restart
0: body
/dog(sbody)?/
dogs\=ph
Partial match: dogs
body\=dfa_restart
0: body
/abc/
abc\=ps
0: abc
abc\=ph
0: abc
/abc\K123/
xyzabc123pqr
Failed: error -42: pattern contains an item that is not supported for DFA matching
/(?<=abc)123/
xyzabc123pqr
0: 123
xyzabc12\=ps
Partial match: abc12
<<<
xyzabc12\=ph
Partial match: abc12
<<<
/\babc\b/
+++abc+++
0: abc
+++ab\=ps
Partial match: +ab
<
+++ab\=ph
Partial match: +ab
<
/(?=C)/g,aftertext
ABCDECBA
0:
0+ CDECBA
0:
0+ CBA
/(abc|def|xyz)/I
Capturing subpattern count = 1
Starting code units: a d x
Subject length lower bound = 3
terhjk;abcdaadsfe
0: abc
the quick xyz brown fox
0: xyz
\= Expect no match
thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
/(abc|def|xyz)/I,no_start_optimize
Capturing subpattern count = 1
Options: no_start_optimize
Subject length lower bound = 0
terhjk;abcdaadsfe
0: abc
the quick xyz brown fox
0: xyz
\= Expect no match
thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
/abcd*/aftertext
xxxxabcd\=ps
0: abcd
0+
xxxxabcd\=ph
Partial match: abcd
dddxxx\=dfa_restart
0: ddd
0+ xxx
xxxxabcd\=ph
Partial match: abcd
xxx\=dfa_restart
0:
0+ xxx
/abcd*/i
xxxxabcd\=ps
0: abcd
xxxxabcd\=ph
Partial match: abcd
XXXXABCD\=ps
0: ABCD
XXXXABCD\=ph
Partial match: ABCD
/abc\d*/
xxxxabc1\=ps
0: abc1
xxxxabc1\=ph
Partial match: abc1
/abc[de]*/
xxxxabcde\=ps
0: abcde
xxxxabcde\=ph
Partial match: abcde
/(?:(?1)|B)(A(*F)|C)/
ABCD
0: BC
CCD
0: CC
\= Expect no match
CAD
No match
/^(?:(?1)|B)(A(*F)|C)/
CCD
0: CC
BCD
0: BC
\= Expect no match
ABCD
No match
CAD
No match
BAD
No match
/^(?!a(*SKIP)b)/
ac
Failed: error -42: pattern contains an item that is not supported for DFA matching
/^(?=a(*SKIP)b|ac)/
ac
Failed: error -42: pattern contains an item that is not supported for DFA matching
/^(?=a(*THEN)b|ac)/
ac
Failed: error -42: pattern contains an item that is not supported for DFA matching
/^(?=a(*PRUNE)b)/
ab
Failed: error -42: pattern contains an item that is not supported for DFA matching
/^(?(?!a(*SKIP)b))/
ac
Failed: error -42: pattern contains an item that is not supported for DFA matching
/(?<=abc)def/
abc\=ph
Partial match: abc
<<<
/abc$/
abc
0: abc
abc\=ps
0: abc
abc\=ph
Partial match: abc
/abc$/m
abc
0: abc
abc\n
0: abc
abc\=ph
Partial match: abc
abc\n\=ph
0: abc
abc\=ps
0: abc
abc\n\=ps
0: abc
/abc\z/
abc
0: abc
abc\=ps
0: abc
abc\=ph
Partial match: abc
/abc\Z/
abc
0: abc
abc\=ps
0: abc
abc\=ph
Partial match: abc
/abc\b/
abc
0: abc
abc\=ps
0: abc
abc\=ph
Partial match: abc
/abc\B/
abc\=ps
Partial match: abc
abc\=ph
Partial match: abc
\= Expect no match
abc
No match
/.+/
abc\=offset=0
0: abc
abc\=offset=1
0: bc
abc\=offset=2
0: c
\= Bad offsets
abc\=offset=4
Failed: error -33: bad offset value
abc\=offset=-4
** Invalid value in 'offset=-4'
\= Expect no match
abc\=offset=3
No match
/^(?:a)++\w/
aaaab
0: aaaab
\= Expect no match
aaaa
No match
bbb
No match
/^(?:aa|(?:a)++\w)/
aaaab
0: aaaab
1: aa
aaaa
0: aa
\= Expect no match
bbb
No match
/^(?:a)*+\w/
aaaab
0: aaaab
bbb
0: b
\= Expect no match
aaaa
No match
/^(a)++\w/
aaaab
0: aaaab
\= Expect no match
aaaa
No match
bbb
No match
/^(a|)++\w/
aaaab
0: aaaab
\= Expect no match
aaaa
No match
bbb
No match
/(?=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
bc
0: b
/(?=(a))??./
ab
0: a
bc
0: b
/^(?=(a)){0}b(?1)/
backgammon
0: ba
/^(?=(?1))?[az]([abc])d/
abd
0: abd
zcdxx
0: zcd
/^(?!a){0}\w+/
aaaaa
0: aaaaa
/(?<=(abc))?xyz/
abcxyz
0: xyz
pqrxyz
0: xyz
/((?2))((?1))/
abc
Failed: error -52: nested recursion at the same subject position
/(?(R)a+|(?R)b)/
aaaabcde
0: aaaab
/(?(R)a+|((?R))b)/
aaaabcde
0: aaaab
/((?(R)a+|(?1)b))/
aaaabcde
0: aaaab
/((?(R2)a+|(?1)b))()/
aaaabcde
Failed: error -40: backreference condition or recursion test is not supported for DFA matching
/(?(R)a*(?1)|((?R))b)/
aaaabcde
Failed: error -52: nested recursion at the same subject position
/(a+)/no_auto_possess
aaaa\=ovector=3
Matched, but offsets vector is too small to show all matches
0: aaaa
1: aaa
2: aa
aaaa\=ovector=4
0: aaaa
1: aaa
2: aa
3: a
/^\R/
\r\=ps
0: \x0d
\r\=ph
Partial match: \x0d
/^\R{2,3}x/
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
\r\r\=ps
Partial match: \x0d\x0d
\r\r\=ph
Partial match: \x0d\x0d
\r\r\r\=ps
Partial match: \x0d\x0d\x0d
\r\r\r\=ph
Partial match: \x0d\x0d\x0d
\r\rx
0: \x0d\x0dx
\r\r\rx
0: \x0d\x0d\x0dx
/^\R{2,3}?x/
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
\r\r\=ps
Partial match: \x0d\x0d
\r\r\=ph
Partial match: \x0d\x0d
\r\r\r\=ps
Partial match: \x0d\x0d\x0d
\r\r\r\=ph
Partial match: \x0d\x0d\x0d
\r\rx
0: \x0d\x0dx
\r\r\rx
0: \x0d\x0d\x0dx
/^\R?x/
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
x
0: x
\rx
0: \x0dx
/^\R+x/
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
\r\n\=ps
Partial match: \x0d\x0a
\r\n\=ph
Partial match: \x0d\x0a
\rx
0: \x0dx
/^a$/newline=crlf
a\r\=ps
Partial match: a\x0d
a\r\=ph
Partial match: a\x0d
/^a$/m,newline=crlf
a\r\=ps
Partial match: a\x0d
a\r\=ph
Partial match: a\x0d
/^(a$|a\r)/newline=crlf
a\r\=ps
0: a\x0d
a\r\=ph
Partial match: a\x0d
/^(a$|a\r)/m,newline=crlf
a\r\=ps
0: a\x0d
a\r\=ph
Partial match: a\x0d
/./newline=crlf
\r\=ps
0: \x0d
\r\=ph
Partial match: \x0d
/.{2,3}/newline=crlf
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
\r\r\=ps
0: \x0d\x0d
\r\r\=ph
Partial match: \x0d\x0d
\r\r\r\=ps
0: \x0d\x0d\x0d
\r\r\r\=ph
Partial match: \x0d\x0d\x0d
/.{2,3}?/newline=crlf
\r\=ps
Partial match: \x0d
\r\=ph
Partial match: \x0d
\r\r\=ps
0: \x0d\x0d
\r\r\=ph
Partial match: \x0d\x0d
\r\r\r\=ps
0: \x0d\x0d\x0d
1: \x0d\x0d
\r\r\r\=ph
Partial match: \x0d\x0d\x0d
# Test simple validity check for restarts
/abcdef/
abc\=dfa_restart
Failed: error -38: invalid data in workspace for DFA restart
/<H((?(?!<H|F>)(.)|(?R))++)*F>/
text <H more text <H texting more hexA0-"\xA0" hex above 7F-"\xBC" F> text xxxxx <H text F> text F> text2 <H text sample F> more text.
0: <H more text <H texting more hexA0-"\xa0" hex above 7F-"\xbc" F> text xxxxx <H text F> text F>
/^(?>.{4})abc|^\w\w.xabcd/
xxxxabcd
0: xxxxabcd
1: xxxxabc
xx\xa0xabcd
0: xx\xa0xabcd
1: xx\xa0xabc
/^(.{4}){2}+abc|^\w\w.x\w\w\w\wabcd/
xxxxxxxxabcd
0: xxxxxxxxabcd
1: xxxxxxxxabc
xx\xa0xxxxxabcd
0: xx\xa0xxxxxabcd
1: xx\xa0xxxxxabc
/abcd/
abcd\=ovector=0
0: abcd
# These tests show up auto-possessification
/[ab]*/
aaaa
0: aaaa
/[ab]*?/
aaaa
0: aaaa
1: aaa
2: aa
3: a
4:
/[ab]?/
aaaa
0: a
/[ab]??/
aaaa
0: a
1:
/[ab]+/
aaaa
0: aaaa
/[ab]+?/
aaaa
0: aaaa
1: aaa
2: aa
3: a
/[ab]{2,3}/
aaaa
0: aaa
/[ab]{2,3}?/
aaaa
0: aaa
1: aa
/[ab]{2,}/
aaaa
0: aaaa
/[ab]{2,}?/
aaaa
0: aaaa
1: aaa
2: aa
'\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
/abc(?=xyz)/allusedtext
abcxyzpqr
0: abcxyz
>>>
abcxyzpqr\=aftertext
0: abcxyz
>>>
0+ xyzpqr
/(?<=pqr)abc(?=xyz)/allusedtext
xyzpqrabcxyzpqr
0: pqrabcxyz
<<< >>>
xyzpqrabcxyzpqr\=aftertext
0: pqrabcxyz
<<< >>>
0+ xyzpqr
/a\b/
a.\=allusedtext
0: a.
>
a\=allusedtext
0: a
/abc(?=abcde)(?=ab)/allusedtext
abcabcdefg
0: abcabcde
>>>>>
/a*?b*?/
ab
0: ab
1: a
2:
/(*NOTEMPTY)a*?b*?/
ab
0: ab
1: a
ba
0: b
cb
0: b
/(*NOTEMPTY_ATSTART)a*?b*?/aftertext
ab
0: ab
0+
1: a
cdab
0:
0+ dab
/(a)(b)|(c)/
XcX\=ovector=2,get=1,get=2,get=3,get=4,getall
0: c
Get substring 1 failed (-55): requested value is not set
Get substring 2 failed (-54): requested value is not available
Get substring 3 failed (-54): requested value is not available
Get substring 4 failed (-54): requested value is not available
0L c
/(?<A>aa)/
aa\=get=A
0: aa
Get substring 'A' failed (-41): function is not supported for DFA matching
aa\=copy=A
0: aa
Copy substring 'A' failed (-41): function is not supported for DFA matching
/a+/no_auto_possess
a\=ovector=2,get=1,get=2,getall
0: a
Get substring 1 failed (-55): requested value is not set
Get substring 2 failed (-54): requested value is not available
0L a
aaa\=ovector=2,get=1,get=2,getall
Matched, but offsets vector is too small to show all matches
0: aaa
1: aa
1G aa (2)
Get substring 2 failed (-54): requested value is not available
0L aaa
1L aa
/a(b)c(d)/
abc\=ph,copy=0,copy=1,getall
Partial match: abc
0C abc (3)
Copy substring 1 failed (-2): partial match
get substring list failed (-2): partial match
/ab(?C" any text with spaces ")cde/B
------------------------------------------------------------------
Bra
ab
CalloutStr " any text with spaces " 6 30 1
cde
Ket
End
------------------------------------------------------------------
abcde
Callout (6): " any text with spaces "
--->abcde
^ ^ c
0: abcde
12abcde
Callout (6): " any text with spaces "
--->12abcde
^ ^ c
0: abcde
/^a(b)c(?C1)def/
abcdef
--->abcdef
1 ^ ^ d
0: abcdef
/^a(b)c(?C"AB")def/
abcdef
Callout (10): "AB"
--->abcdef
^ ^ d
0: abcdef
/^a(b)c(?C1)def/
abcdef\=callout_capture
Callout 1: last capture = 0
--->abcdef
^ ^ d
0: abcdef
/^a(b)c(?C{AB})def/B
------------------------------------------------------------------
Bra
^
a
CBra 1
b
Ket
c
CalloutStr {AB} 10 14 1
def
Ket
End
------------------------------------------------------------------
abcdef\=callout_capture
Callout (10): {AB} last capture = 0
--->abcdef
^ ^ d
0: abcdef
/^(?(?C25)(?=abc)abcd|xyz)/B
------------------------------------------------------------------
Bra
^
Cond
Callout 25 9 3
Assert
abc
Ket
abcd
Alt
xyz
Ket
Ket
End
------------------------------------------------------------------
abcdefg
--->abcdefg
25 ^ (?=
0: abcd
xyz123
--->xyz123
25 ^ (?=
0: xyz
/^(?(?C$abc$)(?=abc)abcd|xyz)/B
------------------------------------------------------------------
Bra
^
Cond
CalloutStr $abc$ 7 12 3
Assert
abc
Ket
abcd
Alt
xyz
Ket
Ket
End
------------------------------------------------------------------
abcdefg
Callout (7): $abc$
--->abcdefg
^ (?=
0: abcd
xyz123
Callout (7): $abc$
--->xyz123
^ (?=
0: xyz
/^ab(?C'first')cd(?C"second")ef/
abcdefg
Callout (7): 'first'
--->abcdefg
^ ^ c
Callout (20): "second"
--->abcdefg
^ ^ e
0: abcdef
/(?:a(?C`code`)){3}X/
aaaXY
Callout (8): `code`
--->aaaXY
^^ ){3}
Callout (8): `code`
--->aaaXY
^ ^ ){3}
Callout (8): `code`
--->aaaXY
^ ^ ){3}
0: aaaX
# Binary zero in callout string
/"a(?C'x" 00 "z')b"/hex
abcdefgh
Callout (5): 'x\x00z'
--->abcdefgh
^^ b
0: ab
/(?(?!)a|b)/
bbb
0: b
\= Expect no match
aaa
No match
/^/gm
\n\n\n
0:
0:
0:
/^/gm,alt_circumflex
\n\n\n
0:
0:
0:
0:
/abc/use_offset_limit
1234abcde\=offset_limit=100
0: abc
1234abcde\=offset_limit=9
0: abc
1234abcde\=offset_limit=4
0: abc
1234abcde\=offset_limit=4,offset=4
0: abc
\= Expect no match
1234abcde\=offset_limit=4,offset=5
No match
1234abcde\=offset_limit=3
No match
/(?<=abc)/use_offset_limit
1234abc\=offset_limit=7
0:
\= Expect no match
1234abc\=offset_limit=6
No match
/abcd/null_context
abcd\=null_context
0: abcd
/()()a+/no_auto_possess
aaa\=allcaptures
** Ignored after DFA matching: allcaptures
0: aaa
1: aa
2: a
a\=allcaptures
** Ignored after DFA matching: allcaptures
0: a
/(*LIMIT_DEPTH=100)^((.)(?1)|.)$/
\= Expect depth limit exceeded
a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
Failed: error -53: matching depth limit exceeded
/(*LIMIT_HEAP=0)^((.)(?1)|.)$/
\= Expect heap limit exceeded
a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
Failed: error -63: heap limit exceeded
/(*LIMIT_HEAP=50000)^((.)(?1)|.)$/
\= Expect success
a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
0: a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
/(02-)?[0-9]{3}-[0-9]{3}/
02-123-123
0: 02-123-123
/^(a(?2))(b)(?1)/
abbab\=find_limits
Minimum heap limit = 0
Minimum match limit = 4
Minimum depth limit = 2
0: abbab
/abc/endanchored
xyzabc
0: abc
\= Expect no match
xyzabcdef
No match
\= Expect error
xyzabc\=ph
Failed: error -34: bad option value
/abc/
xyzabc\=endanchored
0: abc
\= Expect no match
xyzabcdef\=endanchored
No match
\= Expect error
xyzabc\=ps,endanchored
Failed: error -34: bad option value
/abc|bcd/endanchored
xyzabcd
0: bcd
\= Expect no match
xyzabcdef
No match
/(*NUL)^.*/
a\nb\x00ccc
0: a\x0ab
/(*NUL)^.*/s
a\nb\x00ccc
0: a\x0ab\x00ccc
/^x/m,newline=nul
ab\x00xy
0: x
/'#comment' 0d 0a 00 '^x\' 0a 'y'/x,newline=nul,hex
x\nyz
0: x\x0ay
/(*NUL)^X\NY/
X\nY
0: X\x0aY
X\rY
0: X\x0dY
\= Expect no match
X\x00Y
No match
/(?<=abc|)/
abcde\=aftertext
0:
0+ abcde
/(?<=|abc)/
abcde\=aftertext
0:
0+ abcde
/(?<=abc|)/endanchored
abcde\=aftertext
0:
0+
/(?<=|abc)/endanchored
abcde\=aftertext
0:
0+
/(*LIMIT_MATCH=100).*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00 \x00\x00\x00H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););/no_dotstar_anchor
\= Expect limit exceeded
.*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00 \x00\x00\x00H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););
Failed: error -47: match limit exceeded
/\n/firstline
xyz\nabc
0: \x0a
/\nabc/firstline
xyz\nabc
0: \x0aabc
/\x{0a}abc/firstline,newline=crlf
\= Expect no match
xyz\r\nabc
No match
/[abc]/firstline
\= Expect no match
\na
No match
# End of testinput6
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