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/-- This set of tests check the DFA matching functionality of pcre_dfa_exec(),
excluding UTF and Unicode property support. The -dfa flag must be used with
pcretest when running it. --/
< forbid 8W
/abc/
abc
0: abc
/ab*c/
abc
0: abc
abbbbc
0: abbbbc
ac
0: ac
/ab+c/
abc
0: abc
abbbbbbc
0: abbbbbbc
*** Failers
No match
ac
No match
ab
No match
/a*/O
a
0: a
1:
aaaaaaaaaaaaaaaaa
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
15: aa
16: a
17:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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
10: aaaaaaaaaaaaaaaaaaaa
11: aaaaaaaaaaaaaaaaaaa
12: aaaaaaaaaaaaaaaaaa
13: aaaaaaaaaaaaaaaaa
14: aaaaaaaaaaaaaaaa
15: aaaaaaaaaaaaaaa
16: aaaaaaaaaaaaaa
17: aaaaaaaaaaaaa
18: aaaaaaaaaaaa
19: aaaaaaaaaaa
20: aaaaaaaaaa
21: aaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\F
0:
/(a|abcd|african)/
a
0: a
abcd
0: abcd
1: a
african
0: african
1: a
/^abc/
abcdef
0: abc
*** Failers
No match
xyzabc
No match
xyz\nabc
No match
/^abc/m
abcdef
0: abc
xyz\nabc
0: abc
*** Failers
No match
xyzabc
No match
/\Aabc/
abcdef
0: abc
*** Failers
No match
xyzabc
No match
xyz\nabc
No match
/\Aabc/m
abcdef
0: abc
*** Failers
No match
xyzabc
No match
xyz\nabc
No match
/\Gabc/
abcdef
0: abc
xyzabc\>3
0: abc
*** Failers
No match
xyzabc
No match
xyzabc\>2
No match
/x\dy\Dz/
x9yzz
0: x9yzz
x0y+z
0: x0y+z
*** Failers
No match
xyz
No match
xxy0z
No match
/x\sy\Sz/
x yzz
0: x yzz
x y+z
0: x y+z
*** Failers
No match
xyz
No match
xxyyz
No match
/x\wy\Wz/
xxy+z
0: xxy+z
*** Failers
No match
xxy0z
No match
x+y+z
No match
/x.y/
x+y
0: x+y
x-y
0: x-y
*** Failers
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
*** Failers
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
*** Failers
No match
ba0\n
No match
ba0\ncd
No match
/a\d\z/m
ba0
0: a0
*** Failers
No match
ba0\n
No match
ba0\ncd
No match
/a\d\Z/
ba0
0: a0
ba0\n
0: a0
*** Failers
No match
ba0\ncd
No match
/a\d\Z/m
ba0
0: a0
ba0\n
0: a0
*** Failers
No match
ba0\ncd
No match
/a\d$/
ba0
0: a0
ba0\n
0: a0
*** Failers
No match
ba0\ncd
No match
/a\d$/m
ba0
0: a0
ba0\n
0: a0
ba0\ncd
0: a0
*** Failers
No match
/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
*** Failers
No match
ax
No match
axx
No match
/x{3}yz/
axxxyzq
0: xxxyz
axxxxyzq
0: xxxyz
*** Failers
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
*** Failers
No match
ax
No match
axx
No match
ayzq
No match
axyzq
No match
/[^a]+/O
bac
0: b
bcdefax
0: bcdef
1: bcde
2: bcd
3: bc
4: b
*** Failers
0: *** F
1: ***
2: ***
3: **
4: *
aaaaa
No match
/[^a]*/O
bac
0: b
1:
bcdefax
0: bcdef
1: bcde
2: bcd
3: bc
4: b
5:
*** Failers
0: *** F
1: ***
2: ***
3: **
4: *
5:
aaaaa
0:
/[^a]{3,5}/O
xyz
0: xyz
awxyza
0: wxyz
1: wxy
abcdefa
0: bcdef
1: bcde
2: bcd
abcdefghijk
0: bcdef
1: bcde
2: bcd
*** Failers
0: *** F
1: ***
2: ***
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
*** Failers
No match
xyz
No match
/\D+/
ab123c56
0: ab
*** Failers
0: *** Failers
789
No match
/\d?A/
045ABC
0: 5A
ABC
0: A
*** Failers
No match
XYZ
No match
/\D?A/
ABC
0: A
BAC
0: BA
9ABC
0: A
*** Failers
No match
/a+/
aaaa
0: aaaa
/^.*xyz/
xyz
0: xyz
ggggggggxyz
0: ggggggggxyz
/^.+xyz/
abcdxyz
0: abcdxyz
axyz
0: axyz
*** Failers
No match
xyz
No match
/^.?xyz/
xyz
0: xyz
cxyz
0: cxyz
/^\d{2,3}X/
12X
0: 12X
123X
0: 123X
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
No match
abcd1234
No match
e45
No match
/^[abcd]{2,3}\d/
ab45
0: ab4
bcd93
0: bcd9
*** Failers
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
*** Failers
No match
/^(abc)+\d/
abc45
0: abc4
abcabcabc45
0: abcabcabc4
*** Failers
No match
42xyz
No match
/^(abc)?\d/
abc45
0: abc4
42xyz
0: 4
*** Failers
No match
abcabcabc45
No match
/^(abc){2,3}\d/
abcabc45
0: abcabc4
abcabcabc45
0: abcabcabc4
*** Failers
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
*** Failers)
No match
a(b(c)d
No match
/^>abc>([^()]|\((?1)*\))*<xyz<$/
>abc>123<xyz<
0: >abc>123<xyz<
>abc>1(2)3<xyz<
0: >abc>1(2)3<xyz<
>abc>(1(2)3)<xyz<
0: >abc>(1(2)3)<xyz<
/^(?>a*)\d/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
*** Failers
No match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x
<>
0: <>
<abcd>
0: <abcd>
<abc <123> hij>
0: <abc <123> hij>
<abc <def> hij>
0: <def>
<abc<>def>
0: <abc<>def>
<abc<>
0: <>
*** Failers
No match
<abc
No match
/^(?(?=abc)\w{3}:|\d\d)$/
abc:
0: abc:
12
0: 12
*** Failers
No match
123
No match
xyz
No match
/^(?(?!abc)\d\d|\w{3}:)$/
abc:
0: abc:
12
0: 12
*** Failers
No match
123
No match
xyz
No match
/^(?=abc)\w{5}:$/
abcde:
0: abcde:
*** Failers
No match
abc..
No match
123
No match
vwxyz
No match
/^(?!abc)\d\d$/
12
0: 12
*** Failers
No match
abcde:
No match
abc..
No match
123
No match
vwxyz
No match
/(?<=abc|xy)123/
abc12345
0: 123
wxy123z
0: 123
*** Failers
No match
123abc
No match
/(?<!abc|xy)123/
123abc
0: 123
mno123456
0: 123
*** Failers
No match
abc12345
No match
wxy123z
No match
/abc(?C1)xyz/
abcxyz
--->abcxyz
1 ^ ^ x
0: abcxyz
123abcxyz999
--->123abcxyz999
1 ^ ^ x
0: abcxyz
/(ab|cd){3,4}/C
ababab
--->ababab
+0 ^ (ab|cd){3,4}
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+12 ^ ^
+1 ^ ^ a
+4 ^ ^ c
0: ababab
abcdabcd
--->abcdabcd
+0 ^ (ab|cd){3,4}
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ )
+1 ^ ^ a
+4 ^ ^ c
+2 ^ ^ b
+3 ^ ^ |
+12 ^ ^
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ )
+12 ^ ^
0: abcdabcd
1: abcdab
abcdcdcdcdcd
--->abcdcdcdcdcd
+0 ^ (ab|cd){3,4}
+1 ^ a
+4 ^ c
+2 ^^ b
+3 ^ ^ |
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ )
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ )
+12 ^ ^
+1 ^ ^ a
+4 ^ ^ c
+5 ^ ^ d
+6 ^ ^ )
+12 ^ ^
0: abcdcdcd
1: abcdcd
/^abc/
abcdef
0: abc
*** Failers
No match
abcdef\B
No match
/^(a*|xyz)/
bcd
0:
aaabcd
0: aaa
xyz
0: xyz
1:
xyz\N
0: xyz
*** Failers
0:
bcd\N
No match
/xyz$/
xyz
0: xyz
xyz\n
0: xyz
*** Failers
No match
xyz\Z
No match
xyz\n\Z
No match
/xyz$/m
xyz
0: xyz
xyz\n
0: xyz
abcxyz\npqr
0: xyz
abcxyz\npqr\Z
0: xyz
xyz\n\Z
0: xyz
*** Failers
No match
xyz\Z
No match
/\Gabc/
abcdef
0: abc
defabcxyz\>3
0: abc
*** Failers
No match
defabcxyz
No match
/^abcdef/
ab\P
Partial match: ab
abcde\P
Partial match: abcde
abcdef\P
0: abcdef
*** Failers
No match
abx\P
No match
/^a{2,4}\d+z/
a\P
Partial match: a
aa\P
Partial match: aa
aa2\P
Partial match: aa2
aaa\P
Partial match: aaa
aaa23\P
Partial match: aaa23
aaaa12345\P
Partial match: aaaa12345
aa0z\P
0: aa0z
aaaa4444444444444z\P
0: aaaa4444444444444z
*** Failers
No match
az\P
No match
aaaaa\P
No match
a56\P
No match
/^abcdef/
abc\P
Partial match: abc
def\R
0: def
/(?<=foo)bar/
xyzfo\P
No match
foob\P\>2
Partial match at offset 3: foob
foobar...\R\P\>4
0: ar
xyzfo\P
No match
foobar\>2
0: bar
*** Failers
No match
xyzfo\P
No match
obar\R
No match
/(ab*(cd|ef))+X/
adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\P\Z
No match
lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\P\B\Z
Partial match: abbbbbbcdaefabbbbbbbefa
cdabbbbbbbb\P\R\B\Z
Partial match: cdabbbbbbbb
efabbbbbbbbbbbbbbbb\P\R\B\Z
Partial match: efabbbbbbbbbbbbbbbb
bbbbbbbbbbbbcdXyasdfadf\P\R\B\Z
0: bbbbbbbbbbbbcdX
/(a|b)/SF>testsavedregex
Compiled pattern written to testsavedregex
Study data written to testsavedregex
<testsavedregex
Compiled pattern (byte-inverted) loaded from testsavedregex
Study data loaded from testsavedregex
abc
0: a
** Failers
0: a
def
No match
/the quick brown fox/
the quick brown fox
0: the quick brown fox
The quick brown FOX
No match
What do you know about the quick brown fox?
0: the quick brown fox
What do you know about THE QUICK BROWN FOX?
No match
/The quick brown fox/i
the quick brown fox
0: the quick brown fox
The quick brown FOX
0: The quick brown FOX
What do you know about the quick brown fox?
0: the quick brown fox
What do you know about THE QUICK BROWN FOX?
0: THE QUICK BROWN FOX
/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
abcd\t\n\r\f\a\e9;\$\\?caxyz
0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
No match
bababbc
No match
babababc
No match
/^(ba|b*){1,2}?bc/
babc
0: babc
bbabc
0: bbabc
bababc
0: bababc
*** Failers
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
*** Failers
No match
fthing
No match
[thing
No match
\\thing
No match
/^[]cde]/
]thing
0: ]
cthing
0: c
dthing
0: d
ething
0: e
*** Failers
No match
athing
No match
fthing
No match
/^[^ab\]cde]/
fthing
0: f
[thing
0: [
\\thing
0: \
*** Failers
0: *
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
*** Failers
0: *
]thing
No match
cthing
No match
dthing
No match
ething
No match
/^\<5C>/
<20>
0: \x81
/^<5E>/
<20>
0: \xff
/^[0-9]+$/
0
0: 0
1
0: 1
2
0: 2
3
0: 3
4
0: 4
5
0: 5
6
0: 6
7
0: 7
8
0: 8
9
0: 9
10
0: 10
100
0: 100
*** Failers
No match
abc
No match
/^.*nter/
enter
0: enter
inter
0: inter
uponter
0: uponter
/^xxx[0-9]+$/
xxx0
0: xxx0
xxx1234
0: xxx1234
*** Failers
No match
xxx
No match
/^.+[0-9][0-9][0-9]$/
x123
0: x123
xx123
0: xx123
123456
0: 123456
*** Failers
No match
123
No match
x1234
0: x1234
/^.+?[0-9][0-9][0-9]$/
x123
0: x123
xx123
0: xx123
123456
0: 123456
*** Failers
No match
123
No match
x1234
0: x1234
/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
abc!pqr=apquxz.ixr.zzz.ac.uk
0: abc!pqr=apquxz.ixr.zzz.ac.uk
*** Failers
No match
!pqr=apquxz.ixr.zzz.ac.uk
No match
abc!=apquxz.ixr.zzz.ac.uk
No match
abc!pqr=apquxz:ixr.zzz.ac.uk
No match
abc!pqr=apquxz.ixr.zzz.ac.ukk
No match
/:/
Well, we need a colon: somewhere
0: :
*** Fail if we don't
No match
/([\da-f:]+)$/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
*** Failers
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
*** Failers
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*$/
1 IN SOA non-sp1 non-sp2(
0: 1 IN SOA non-sp1 non-sp2(
1 IN SOA non-sp1 non-sp2 (
0: 1 IN SOA non-sp1 non-sp2 (
*** Failers
No match
1IN SOA non-sp1 non-sp2(
No match
/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
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-.
*** Failers
No match
-abc.peq.
No match
/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
*.a
0: *.a
*.b0-a
0: *.b0-a
*.c3-b.c
0: *.c3-b.c
*.c-a.b-c
0: *.c-a.b-c
*** Failers
No match
*.0
No match
*.a-
No match
*.a-b.c-
No match
*.c-a.0-c
No match
/^(?=ab(de))(abd)(e)/
abde
0: abde
/^(?!(ab)de|x)(abd)(f)/
abdf
0: abdf
/^(?=(ab(cd)))(ab)/
abcd
0: ab
/^[\da-f](\.[\da-f])*$/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*(;.*)?$/
\"1234\"
0: "1234"
\"abcd\" ;
0: "abcd" ;
\"\" ; rhubarb
0: "" ; rhubarb
*** Failers
No match
\"1234\" : things
No match
/^$/
\
0:
*** Failers
No match
/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
ab c
0: ab c
*** Failers
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
*** Failers
No match
abc
No match
ab cde
No match
/^ a\ b[c ]d $/x
a bcd
0: a bcd
a b d
0: a b d
*** Failers
No match
abcd
No match
ab d
No match
/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
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: .^$(*+)|{?,?}
/^a*\w/
z
0: z
az
0: az
1: a
aaaz
0: aaaz
1: aaa
2: aa
3: a
a
0: a
aa
0: aa
1: a
aaaa
0: aaaa
1: aaa
2: aa
3: a
a+
0: a
aa+
0: aa
1: a
/^a*?\w/
z
0: z
az
0: az
1: a
aaaz
0: aaaz
1: aaa
2: aa
3: a
a
0: a
aa
0: aa
1: a
aaaa
0: aaaa
1: aaa
2: aa
3: a
a+
0: a
aa+
0: aa
1: a
/^a+\w/
az
0: az
aaaz
0: aaaz
1: aaa
2: aa
aa
0: aa
aaaa
0: aaaa
1: aaa
2: aa
aa+
0: aa
/^a+?\w/
az
0: az
aaaz
0: aaaz
1: aaa
2: aa
aa
0: aa
aaaa
0: aaaa
1: aaa
2: aa
aa+
0: aa
/^\d{8}\w{2,}/
1234567890
0: 1234567890
12345678ab
0: 12345678ab
12345678__
0: 12345678__
*** Failers
No match
1234567
No match
/^[aeiou\d]{4,5}$/
uoie
0: uoie
1234
0: 1234
12345
0: 12345
aaaaa
0: aaaaa
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
No match
abc
No match
/(?=^)abc/
abc
0: abc
*** Failers
No match
the abc
No match
/^[ab]{1,3}(ab*|b)/O
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}?(ab*|b)/O
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}?(ab*?|b)/O
aabbbbb
0: aabbbbb
1: aabbbb
2: aabbb
3: aabb
4: aab
5: aa
/^[ab]{1,3}(ab*?|b)/O
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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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]+$/
WXY_^abc
0: WXY_^abc
*** Failers
No match
wxy
No match
/^[W-c]+$/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$/
abc
0: abc
*** Failers
No match
qqq\nabc
No match
abc\nzzz
No match
qqq\nabc\nzzz
No match
/\Aabc\Z/m
abc
0: abc
abc\n
0: abc
*** Failers
No match
qqq\nabc
No match
abc\nzzz
No match
qqq\nabc\nzzz
No match
/\A(.)*\Z/s
abc\ndef
0: abc\x0adef
/\A(.)*\Z/m
*** Failers
0: *** Failers
abc\ndef
No match
/(?:b)|(?::+)/
b::c
0: b
c::b
0: ::
/[-az]+/
az-
0: az-
*** Failers
0: a
b
No match
/[az-]+/
za-
0: za-
*** Failers
0: a
b
No match
/[a\-z]+/
a-z
0: a-z
*** Failers
0: a
b
No match
/[a-z]+/
abcdxyz
0: abcdxyz
/[\d-]+/
12-34
0: 12-34
*** Failers
No match
aaa
No match
/[\d-z]+/
12-34z
0: 12-34z
*** Failers
No match
aaa
No match
/\x5c/
\\
0: \
/\x20Z/
the Zoo
0: Z
*** Failers
No match
Zulu
No match
/ab{3cd/
ab{3cd
0: ab{3cd
/ab{3,cd/
ab{3,cd
0: ab{3,cd
/ab{3,4a}cd/
ab{3,4a}cd
0: ab{3,4a}cd
/{4,5a}bc/
{4,5a}bc
0: {4,5a}bc
/^a.b/<lf>
a\rb
0: a\x0db
*** Failers
No match
a\nb
No match
/abc$/
abc
0: abc
abc\n
0: abc
*** Failers
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\8B\9C$/
A8B9C
0: A8B9C
*** Failers
No match
A\08B\09C
No match
/^[A\8B\9C]+$/
A8B9C
0: A8B9C
*** Failers
No match
A8B9C\x00
No match
/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
abcdefghijk\12S
0: abcdefghijk\x0aS
/ab\idef/
abidef
0: abidef
/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
*** Failers
0: *** Failers
1: *** Failer
2: *** Faile
3: *** Fail
4: *** Fai
5: *** Fa
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]$/
abc
0: c
*** Failers
0: s
abk
No match
/[^k]{2,3}$/
abc
0: abc
kbc
0: bc
kabc
0: abc
*** Failers
0: ers
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
*** Failers
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
*** Failers
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*)/O
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
15: I have 2
16: I have
17: I have
18: I hav
19: I ha
20: I h
21: I
/(.*)(\d+)/
I have 2 numbers: 53147
0: I have 2 numbers: 53147
1: I have 2
/(.*?)(\d*)/O
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
15: I have 2
16: I have
17: I have
18: I hav
19: I ha
20: I h
21: I
/(.*?)(\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
*** Failers
No match
ABC123
No match
/^[W-]46]/
W46]789
0: W46]
-46]789
0: -46]
*** Failers
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: \
*** Failers
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
word cat dog elephant mussel cow horse canary baboon snake shark
No match
/word (?:[a-zA-Z0-9]+ ){0,300}otherword/
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}/
bcd
No match
abc
0: a
aab
0: a
/^(a){1,2}/
bcd
No match
abc
0: a
aab
0: aa
1: a
/^(a){1,3}/
bcd
No match
abc
0: a
aab
0: aa
1: a
aaa
0: aaa
1: aa
2: a
/^(a){1,}/
bcd
No match
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
/.*\.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
*** Failers
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
*** Failers
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
*** Failers
No match
abcde\nBar
No match
/(?s:.*X|^B)/
abcde\n1234Xyz
0: abcde\x0a1234X
BarFoo
0: B
*** Failers
No match
abcde\nBar
No match
/^.*B/
**** Failers
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
*** Failers
No match
z
No match
/abcde{0,0}/
abcd
0: abcd
*** Failers
No match
abce
No match
/ab[cd]{0,0}e/
abe
0: abe
*** Failers
No match
abcde
No match
/ab(c){0,0}d/
abd
0: abd
*** Failers
No match
abcd
No match
/a(b*)/
a
0: a
ab
0: ab
abbbb
0: abbbb
*** Failers
0: a
bbbbb
No match
/ab\d{0}e/
abe
0: abe
*** Failers
No match
ab1e
No match
/"([^\\"]+|\\.)*"/
the \"quick\" brown fox
0: "quick"
\"the \\\"quick\\\" brown fox\"
0: "the \"quick\" brown fox"
/.*?/g+
abc
0: abc
0+
1: ab
2: a
3:
0:
0+
/\b/g+
abc
0:
0+ abc
0:
0+
/\b/+g
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
*** Failers
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
x\nb\n
No match
a\bx\n
0: x
/\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
*** Failers
No match
barfoo
No match
towbarfoo
No match
/\w{3}(?<!bar)foo/
catfood
0: catfoo
*** Failers
No match
foo
No match
barfoo
No match
towbarfoo
No match
/(?<=(foo)a)bar/
fooabar
0: bar
*** Failers
No match
bar
No match
foobbar
No match
/\Aabc\z/m
abc
0: abc
*** Failers
No match
abc\n
No match
qqq\nabc
No match
abc\nzzz
No match
qqq\nabc\nzzz
No match
"(?>.*/)foo"
/this/is/a/very/long/line/in/deed/with/very/many/slashes/in/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
*** Failers
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
*** Failers
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
*** Failers
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)
*** Failers
No match
((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
/a(?-i)b/i
ab
0: ab
Ab
0: Ab
*** Failers
No match
aB
No match
AB
No match
/(a (?x)b c)d e/
a bcd e
0: a bcd e
*** Failers
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
*** Failers
No match
abcdef
No match
/(a(?i)b)c/
abc
0: abc
aBc
0: aBc
*** Failers
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
*** Failers
No match
ABC
No match
abC
No match
aBC
No match
/a(?i:b)*c/
aBc
0: aBc
aBBc
0: aBBc
*** Failers
No match
aBC
No match
aBBC
No match
/a(?=b(?i)c)\w\wd/
abcd
0: abcd
abCd
0: abCd
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
No match
Abc
No match
abAb
No match
abbC
No match
/(?=a(?i)b)\w\wc/
abc
0: abc
aBc
0: aBc
*** Failers
No match
Ab
No match
abC
No match
aBC
No match
/(?<=a(?i)b)(\w\w)c/
abxxc
0: xxc
aBxxc
0: xxc
*** Failers
No match
Abxxc
No match
ABxxc
No match
abxxC
No match
/^(?(?=abc)\w{3}:|\d\d)$/
abc:
0: abc:
12
0: 12
*** Failers
No match
123
No match
xyz
No match
/^(?(?!abc)\d\d|\w{3}:)$/
abc:
0: abc:
12
0: 12
*** Failers
No match
123
No match
xyz
No match
/(?(?<=foo)bar|cat)/
foobar
0: bar
cat
0: cat
fcat
0: cat
focat
0: cat
*** Failers
No match
foocat
No match
/(?(?<!foo)cat|bar)/
foobar
0: bar
cat
0: cat
fcat
0: cat
focat
0: cat
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
No match
aCD
No match
XY
No match
/(?<=foo\n)^bar/m
foo\nbar
0: bar
*** Failers
No match
bar
No match
baz\nbar
No match
/(?<=(?<!foo)bar)baz/
barbaz
0: baz
barbarbaz
0: baz
koobarbaz
0: baz
*** Failers
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./
No match
/abc/
abc
0: abc
xabcy
0: abc
ababc
0: abc
*** Failers
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
*** Failers
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/
*** Failers
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$/
abc
0: abc
*** Failers
No match
abbbbc
No match
abcc
No match
/^abc/
abcc
0: abc
/^abc$/
/abc$/
aabc
0: abc
*** Failers
No match
aabc
0: abc
aabcd
No match
/^/
abc
0:
/$/
abc
0:
/a.c/
abc
0: abc
axc
0: axc
/a.*c/
axyzc
0: axyzc
/a[bc]d/
abd
0: abd
*** Failers
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
*** Failers
No match
abd
No match
abd
No match
/a[^-b]c/
adc
0: adc
/a[^]b]c/
adc
0: adc
*** Failers
No match
a-c
0: a-c
a]c
No match
/\ba\b/
a-
0: a
-a
0: a
-a-
0: a
/\by\b/
*** Failers
No match
xy
No match
yz
No match
xyz
No match
/\Ba\B/
*** Failers
0: a
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: -
*** Failers
0: *
-
0: -
a
No match
/a\sb/
a b
0: a b
/a\Sb/
a-b
0: a-b
*** Failers
No match
a-b
0: a-b
a b
No match
/\d/
1
0: 1
/\D/
-
0: -
*** Failers
0: *
-
0: -
1
No match
/[\w]/
a
0: a
/[\W]/
-
0: -
*** Failers
0: *
-
0: -
a
No match
/a[\s]b/
a b
0: a b
/a[\S]b/
a-b
0: a-b
*** Failers
No match
a-b
0: a-b
a b
No match
/[\d]/
1
0: 1
/[\D]/
-
0: -
*** Failers
0: *
-
0: -
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
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/
*** Failers
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/
*** Failers
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
*** Failers
No match
effg
No match
bcdd
No match
/((((((((((a))))))))))/
a
0: a
/(((((((((a)))))))))/
a
0: a
/multiple words of text/
*** Failers
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
*** Failers
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
*** Failers
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
*** Failers
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$/i
ABC
0: ABC
*** Failers
No match
ABBBBC
No match
ABCC
No match
/^abc/i
ABCC
0: ABC
/^abc$/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
*** Failers
No match
AABC
0: AABC
AXYZD
No match
/a[bc]d/i
ABD
0: ABD
/a[b-d]e/i
ACE
0: ACE
*** Failers
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
*** Failers
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
*** Failers
No match
A]C
No match
B
No match
/a\(b/i
A(B
0: A(B
/a\(*b/i
AB
0: AB
A((B
0: A((B
/a\\b/i
A\B
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
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
*** Failers
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
*** Failers
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])|(\^)$/
.
0: .
/^[<>]&/
<&OUT
0: <&
/(?:(f)(o)(o)|(b)(a)(r))*/
foobar
0: foobar
1: foo
2:
/(?<=a)b/
ab
0: b
*** Failers
No match
cb
No match
b
No match
/(?<!c)b/
ab
0: b
b
0: b
b
0: b
/(?:..)*a/
aba
0: aba
1: a
/(?:..)*?a/
aba
0: aba
1: a
/^(){3,5}/
abc
0:
/^(a+)*ax/
aax
0: aax
/^((a|b)+)*ax/
aax
0: aax
/^((a|bc)+)*ax/
aax
0: aax
/(a|x)*ab/
cab
0: ab
/(a)*ab/
cab
0: ab
/(?:(?i)a)b/
ab
0: ab
/((?i)a)b/
ab
0: ab
/(?:(?i)a)b/
Ab
0: Ab
/((?i)a)b/
Ab
0: Ab
/(?:(?i)a)b/
*** Failers
No match
cb
No match
aB
No match
/((?i)a)b/
/(?i:a)b/
ab
0: ab
/((?i:a))b/
ab
0: ab
/(?i:a)b/
Ab
0: Ab
/((?i:a))b/
Ab
0: Ab
/(?i:a)b/
*** Failers
No match
aB
No match
aB
No match
/((?i:a))b/
/(?:(?-i)a)b/i
ab
0: ab
/((?-i)a)b/i
ab
0: ab
/(?:(?-i)a)b/i
aB
0: aB
/((?-i)a)b/i
aB
0: aB
/(?:(?-i)a)b/i
*** Failers
No match
aB
0: aB
Ab
No match
/((?-i)a)b/i
/(?:(?-i)a)b/i
aB
0: aB
/((?-i)a)b/i
aB
0: aB
/(?:(?-i)a)b/i
*** Failers
No match
Ab
No match
AB
No match
/((?-i)a)b/i
/(?-i:a)b/i
ab
0: ab
/((?-i:a))b/i
ab
0: ab
/(?-i:a)b/i
aB
0: aB
/((?-i:a))b/i
aB
0: aB
/(?-i:a)b/i
*** Failers
No match
AB
No match
Ab
No match
/((?-i:a))b/i
/(?-i:a)b/i
aB
0: aB
/((?-i:a))b/i
aB
0: aB
/(?-i:a)b/i
*** Failers
No match
Ab
No match
AB
No match
/((?-i:a))b/i
/((?-i:a.))b/i
*** Failers
No match
AB
No match
a\nB
No match
/((?s-i:a.))b/i
a\nB
0: a\x0aB
/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
cabbbb
0: cabbbb
/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
/foo\w*\d{4}baz/
foobar1234baz
0: foobar1234baz
/x(~~)*(?:(?:F)?)?/
x~~
0: x~~
1: x
/^a(?#xxx){3}c/
aaac
0: aaac
/^a (?#xxx) (?#yyy) {3}c/x
aaac
0: aaac
/(?<![cd])b/
*** Failers
No match
B\nB
No match
dbcb
No match
/(?<![cd])[ab]/
dbaacb
0: a
/(?<!(c|d))b/
/(?<!(c|d))[ab]/
dbaacb
0: a
/(?<!cd)[ab]/
cdaccb
0: b
/^(?:a?b?)*$/
*** Failers
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/
*** Failers
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)/
*** Failers
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
*** Failers
0: Failers
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/
*** Failers
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
*** Failers
No match
/(?>.*)(?<=(abcd|wxyz))/
alphabetabcd
0: alphabetabcd
endingwxyz
0: endingwxyz
*** Failers
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
word cat dog elephant mussel cow horse canary baboon snake shark
No match
/word (?>[a-zA-Z0-9]+ ){0,30}otherword/
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
*** Failers
No match
123abcfoo
No match
/(?<=(?!...999)\d{3})foo/
999foo
0: foo
123999foo
0: foo
*** Failers
No match
123abcfoo
No match
/(?<=\d{3}(?!999)...)foo/
123abcfoo
0: foo
123456foo
0: foo
*** Failers
No match
123999foo
No match
/(?<=\d{3}...)(?<!999)foo/
123abcfoo
0: foo
123456foo
0: foo
*** Failers
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:
/^[\d-a]/
abcde
0: a
-things
0: -
0digit
0: 0
*** Failers
No match
bcdef
No match
/[[: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
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
*** Failers
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$xyz
/\Gabc/
abc
0: abc
*** Failers
No match
xyzabc
No match
/\Gabc./g
abc1abc2xyzabc3
0: abc1
0: abc2
/abc./g
abc1abc2xyzabc3
0: abc1
0: abc2
0: abc3
/a(?x: b c )d/
XabcdY
0: abcd
*** Failers
No match
Xa b c d Y
No match
/((?x)x y z | a b c)/
XabcY
0: abc
AxyzB
0: xyz
/(?i)AB(?-i)C/
XabCY
0: abC
*** Failers
No match
XabcY
No match
/((?i)AB(?-i)C|D)E/
abCE
0: abCE
DE
0: DE
*** Failers
No match
abcE
No match
abCe
No match
dE
No match
De
No match
/[z\Qa-d]\E]/
z
0: z
a
0: a
-
0: -
d
0: d
]
0: ]
*** Failers
0: a
b
No match
/[\z\C]/
z
0: z
C
0: C
/\M/
M
0: M
/(a+)*b/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
/(?i)reg(?:ul(?:[a<>]|ae)r|ex)/
REGular
0: REGular
regulaer
0: regulaer
Regex
0: Regex
regul<75>r
0: regul\xe4r
/<2F><><EFBFBD><EFBFBD>[<5B>-<2D><>-<2D>]+/
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xe0
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xff
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xc0
<20><><EFBFBD><EFBFBD><EFBFBD>
0: \xc5\xe6\xe5\xe4\xdf
/(?<=Z)X./
\x84XAZXB
0: XB
/^(?(2)a|(1)(2))+$/
123a
Error -17 (backreference condition or recursion test not supported for DFA matching)
/(?<=a|bbbb)c/
ac
0: c
bbbbc
0: c
/abc/SS>testsavedregex
Compiled pattern written to testsavedregex
<testsavedregex
Compiled pattern loaded from testsavedregex
No study data
abc
0: abc
*** Failers
No match
bca
No match
/abc/FSS>testsavedregex
Compiled pattern written to testsavedregex
<testsavedregex
Compiled pattern (byte-inverted) loaded from testsavedregex
No study data
abc
0: abc
*** Failers
No match
bca
No match
/(a|b)/S>testsavedregex
Compiled pattern written to testsavedregex
Study data written to testsavedregex
<testsavedregex
Compiled pattern loaded from testsavedregex
Study data loaded from testsavedregex
abc
0: a
*** Failers
0: a
def
No match
/(a|b)/SF>testsavedregex
Compiled pattern written to testsavedregex
Study data written to testsavedregex
<testsavedregex
Compiled pattern (byte-inverted) loaded from testsavedregex
Study data loaded from testsavedregex
abc
0: a
*** Failers
0: a
def
No match
/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/f
this is a line\nbreak
0: line\x0abreak
** Failers
No match
line one\nthis is a line\nbreak in the second line
No match
/line\nbreak/mf
this is a line\nbreak
0: line\x0abreak
** Failers
No match
line one\nthis is a line\nbreak in the second line
No match
/1234/
123\P
Partial match: 123
a4\P\R
No match
/1234/
123\P
Partial match: 123
4\P\R
0: 4
/^/mg
a\nb\nc\n
0:
0:
0:
\
0:
/(?<=C\n)^/mg
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/m
xyz\nabc
0: abc
xyz\nabc\<lf>
0: abc
xyz\r\nabc\<lf>
0: abc
xyz\rabc\<cr>
0: abc
xyz\r\nabc\<crlf>
0: abc
** Failers
No match
xyz\nabc\<cr>
No match
xyz\r\nabc\<cr>
No match
xyz\nabc\<crlf>
No match
xyz\rabc\<crlf>
No match
xyz\rabc\<lf>
No match
/abc$/m<lf>
xyzabc
0: abc
xyzabc\n
0: abc
xyzabc\npqr
0: abc
xyzabc\r\<cr>
0: abc
xyzabc\rpqr\<cr>
0: abc
xyzabc\r\n\<crlf>
0: abc
xyzabc\r\npqr\<crlf>
0: abc
** Failers
No match
xyzabc\r
No match
xyzabc\rpqr
No match
xyzabc\r\n
No match
xyzabc\r\npqr
No match
/^abc/m<cr>
xyz\rabcdef
0: abc
xyz\nabcdef\<lf>
0: abc
** Failers
No match
xyz\nabcdef
No match
/^abc/m<lf>
xyz\nabcdef
0: abc
xyz\rabcdef\<cr>
0: abc
** Failers
No match
xyz\rabcdef
No match
/^abc/m<crlf>
xyz\r\nabcdef
0: abc
xyz\rabcdef\<cr>
0: abc
** Failers
No match
xyz\rabcdef
No match
/.*/<lf>
abc\ndef
0: abc
abc\rdef
0: abc\x0ddef
abc\r\ndef
0: abc\x0d
\<cr>abc\ndef
0: abc\x0adef
\<cr>abc\rdef
0: abc
\<cr>abc\r\ndef
0: abc
\<crlf>abc\ndef
0: abc\x0adef
\<crlf>abc\rdef
0: abc\x0ddef
\<crlf>abc\r\ndef
0: abc
/\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/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
/(?>a|)*\d/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
/(?:a|)*\d/
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
No match
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
/^a.b/<lf>
a\rb
0: a\x0db
a\nb\<cr>
0: a\x0ab
** Failers
No match
a\nb
No match
a\nb\<any>
No match
a\rb\<cr>
No match
a\rb\<any>
No match
/^abc./mgx<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.$/mgx<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
** Failers
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
** Failers
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
** Failers
No match
a\n\n\n\rb
No match
a\r
No match
/^a[\R]b/<bsr_unicode>
aRb
0: aRb
** Failers
No match
a\nb
No match
/.+foo/
afoo
0: afoo
** Failers
No match
\r\nfoo
No match
\nfoo
No match
/.+foo/<crlf>
afoo
0: afoo
\nfoo
0: \x0afoo
** Failers
No match
\r\nfoo
No match
/.+foo/<any>
afoo
0: afoo
** Failers
No match
\nfoo
No match
\r\nfoo
No match
/.+foo/s
afoo
0: afoo
\r\nfoo
0: \x0d\x0afoo
\nfoo
0: \x0afoo
/^$/mg<any>
abc\r\rxyz
0:
abc\n\rxyz
0:
** Failers
No match
abc\r\nxyz
No match
/^X/m
XABC
0: X
** Failers
No match
XABC\B
No match
/(?m)^$/<any>g+
abc\r\n\r\n
0:
0+ \x0d\x0a
/(?m)^$|^\r\n/<any>g+
abc\r\n\r\n
0: \x0d\x0a
0+
1:
/(?m)$/<any>g+
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
** Failers
No match
xyzxyz
No match
/\H\h\V\v/
X X\x0a
0: X X\x0a
X\x09X\x0b
0: X\x09X\x0b
** Failers
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
** Failers
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
** Failers
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/<crlf>
\r\nA
No match
/\nA/<crlf>
\r\nA
0: \x0aA
/[\r\n]A/<crlf>
\r\nA
0: \x0aA
/(\r|\n)A/<crlf>
\r\nA
0: \x0aA
/a\Rb/I<bsr_anycrlf>
Capturing subpattern count = 0
Options: bsr_anycrlf
First char = 'a'
Need char = 'b'
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
** Failers
No match
a\x85b
No match
a\x0bb
No match
/a\Rb/I<bsr_unicode>
Capturing subpattern count = 0
Options: bsr_unicode
First char = 'a'
Need char = 'b'
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
** Failers
No match
a\x85b\<bsr_anycrlf>
No match
a\x0bb\<bsr_anycrlf>
No match
/a\R?b/I<bsr_anycrlf>
Capturing subpattern count = 0
Options: bsr_anycrlf
First char = 'a'
Need char = 'b'
a\rb
0: a\x0db
a\nb
0: a\x0ab
a\r\nb
0: a\x0d\x0ab
** Failers
No match
a\x85b
No match
a\x0bb
No match
/a\R?b/I<bsr_unicode>
Capturing subpattern count = 0
Options: bsr_unicode
First char = 'a'
Need char = 'b'
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
** Failers
No match
a\x85b\<bsr_anycrlf>
No match
a\x0bb\<bsr_anycrlf>
No match
/a\R{2,4}b/I<bsr_anycrlf>
Capturing subpattern count = 0
Options: bsr_anycrlf
First char = 'a'
Need char = 'b'
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
** Failers
No match
a\x85\85b
No match
a\x0b\0bb
No match
/a\R{2,4}b/I<bsr_unicode>
Capturing subpattern count = 0
Options: bsr_unicode
First char = 'a'
Need char = 'b'
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\85b
No match
a\x0b\0bb
No match
** Failers
No match
a\r\r\r\r\rb
No match
a\x85\85b\<bsr_anycrlf>
No match
a\x0b\0bb\<bsr_anycrlf>
No match
/a(?!)|\wbc/
abc
0: abc
/a[]b/<JS>
** Failers
No match
ab
No match
/a[]+b/<JS>
** Failers
No match
ab
No match
/a[]*+b/<JS>
** Failers
No match
ab
No match
/a[^]b/<JS>
aXb
0: aXb
a\nb
0: a\x0ab
** Failers
No match
ab
No match
/a[^]+b/<JS>
aXb
0: aXb
a\nX\nXb
0: a\x0aX\x0aXb
** Failers
No match
ab
No match
/X$/E
X
0: X
** Failers
No match
X\n
No match
/X$/
X
0: X
X\n
0: X
/xyz/C
xyz
--->xyz
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^
0: xyz
abcxyz
--->abcxyz
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^
0: xyz
abcxyz\Y
--->abcxyz
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
+1 ^^ y
+2 ^ ^ z
+3 ^ ^
0: xyz
** Failers
No match
abc
No match
abc\Y
--->abc
+0 ^ x
+0 ^ x
+0 ^ x
+0 ^ x
No match
abcxypqr
No match
abcxypqr\Y
--->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/C
abcxyz
--->abcxyz
+15 ^ x
+15 ^ x
+15 ^ x
+15 ^ x
+16 ^^ y
+17 ^ ^ z
+18 ^ ^
0: xyz
/(?C)ab/
ab
--->ab
0 ^ a
0: ab
\C-ab
0: ab
/ab/C
ab
--->ab
+0 ^ a
+1 ^^ b
+2 ^ ^
0: ab
\C-ab
0: ab
/^"((?(?=[a])[^"])|b)*"$/C
"ab"
--->"ab"
+0 ^ ^
+1 ^ "
+2 ^^ ((?(?=[a])[^"])|b)*
+21 ^^ "
+3 ^^ (?(?=[a])[^"])
+18 ^^ b
+5 ^^ (?=[a])
+8 ^ [a]
+11 ^^ )
+12 ^^ [^"]
+16 ^ ^ )
+17 ^ ^ |
+21 ^ ^ "
+3 ^ ^ (?(?=[a])[^"])
+18 ^ ^ b
+5 ^ ^ (?=[a])
+8 ^ [a]
+19 ^ ^ )
+21 ^ ^ "
+3 ^ ^ (?(?=[a])[^"])
+18 ^ ^ b
+5 ^ ^ (?=[a])
+8 ^ [a]
+17 ^ ^ |
+22 ^ ^ $
+23 ^ ^
0: "ab"
\C-"ab"
0: "ab"
/\d+X|9+Y/
++++123999\P
Partial match: 123999
++++123999Y\P
0: 999Y
/Z(*F)/
Z\P
No match
ZA\P
No match
/Z(?!)/
Z\P
No match
ZA\P
No match
/dog(sbody)?/
dogs\P
0: dog
dogs\P\P
Partial match: dogs
/dog(sbody)??/
dogs\P
0: dog
dogs\P\P
Partial match: dogs
/dog|dogsbody/
dogs\P
0: dog
dogs\P\P
Partial match: dogs
/dogsbody|dog/
dogs\P
0: dog
dogs\P\P
Partial match: dogs
/Z(*F)Q|ZXY/
Z\P
Partial match: Z
ZA\P
No match
X\P
No match
/\bthe cat\b/
the cat\P
0: the cat
the cat\P\P
Partial match: the cat
/dog(sbody)?/
dogs\D\P
0: dog
body\D\R
0: body
/dog(sbody)?/
dogs\D\P\P
Partial match: dogs
body\D\R
0: body
/abc/
abc\P
0: abc
abc\P\P
0: abc
/abc\K123/
xyzabc123pqr
Error -16 (item unsupported for DFA matching)
/(?<=abc)123/
xyzabc123pqr
0: 123
xyzabc12\P
Partial match at offset 6: abc12
xyzabc12\P\P
Partial match at offset 6: abc12
/\babc\b/
+++abc+++
0: abc
+++ab\P
Partial match at offset 3: +ab
+++ab\P\P
Partial match at offset 3: +ab
/(?=C)/g+
ABCDECBA
0:
0+ CDECBA
0:
0+ CBA
/(abc|def|xyz)/I
Capturing subpattern count = 1
No options
No first char
No need char
terhjk;abcdaadsfe
0: abc
the quick xyz brown fox
0: xyz
\Yterhjk;abcdaadsfe
0: abc
\Ythe quick xyz brown fox
0: xyz
** Failers
No match
thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
\Ythejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
/(abc|def|xyz)/SI
Capturing subpattern count = 1
No options
No first char
No need char
Subject length lower bound = 3
Starting chars: a d x
terhjk;abcdaadsfe
0: abc
the quick xyz brown fox
0: xyz
\Yterhjk;abcdaadsfe
0: abc
\Ythe quick xyz brown fox
0: xyz
** Failers
No match
thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
\Ythejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
No match
/abcd*/+
xxxxabcd\P
0: abcd
0+
xxxxabcd\P\P
Partial match: abcd
dddxxx\R
0: ddd
0+ xxx
xxxxabcd\P\P
Partial match: abcd
xxx\R
0:
0+ xxx
/abcd*/i
xxxxabcd\P
0: abcd
xxxxabcd\P\P
Partial match: abcd
XXXXABCD\P
0: ABCD
XXXXABCD\P\P
Partial match: ABCD
/abc\d*/
xxxxabc1\P
0: abc1
xxxxabc1\P\P
Partial match: abc1
/abc[de]*/
xxxxabcde\P
0: abcde
xxxxabcde\P\P
Partial match: abcde
/(?:(?1)|B)(A(*F)|C)/
ABCD
0: BC
CCD
0: CC
** Failers
No match
CAD
No match
/^(?:(?1)|B)(A(*F)|C)/
CCD
0: CC
BCD
0: BC
** Failers
No match
ABCD
No match
CAD
No match
BAD
No match
/^(?!a(*SKIP)b)/
ac
Error -16 (item unsupported for DFA matching)
/^(?=a(*SKIP)b|ac)/
** Failers
No match
ac
Error -16 (item unsupported for DFA matching)
/^(?=a(*THEN)b|ac)/
ac
Error -16 (item unsupported for DFA matching)
/^(?=a(*PRUNE)b)/
ab
Error -16 (item unsupported for DFA matching)
** Failers
No match
ac
Error -16 (item unsupported for DFA matching)
/^(?(?!a(*SKIP)b))/
ac
Error -16 (item unsupported for DFA matching)
/(?<=abc)def/
abc\P\P
Partial match at offset 3: abc
/abc$/
abc
0: abc
abc\P
0: abc
abc\P\P
Partial match: abc
/abc$/m
abc
0: abc
abc\n
0: abc
abc\P\P
Partial match: abc
abc\n\P\P
0: abc
abc\P
0: abc
abc\n\P
0: abc
/abc\z/
abc
0: abc
abc\P
0: abc
abc\P\P
Partial match: abc
/abc\Z/
abc
0: abc
abc\P
0: abc
abc\P\P
Partial match: abc
/abc\b/
abc
0: abc
abc\P
0: abc
abc\P\P
Partial match: abc
/abc\B/
abc
No match
abc\P
Partial match: abc
abc\P\P
Partial match: abc
/.+/
abc\>0
0: abc
abc\>1
0: bc
abc\>2
0: c
abc\>3
No match
abc\>4
Error -24 (bad offset value)
abc\>-4
Error -24 (bad offset value)
/^(?:a)++\w/
aaaab
0: aaaab
** Failers
No match
aaaa
No match
bbb
No match
/^(?:aa|(?:a)++\w)/
aaaab
0: aaaab
1: aa
aaaa
0: aa
** Failers
No match
bbb
No match
/^(?:a)*+\w/
aaaab
0: aaaab
bbb
0: b
** Failers
No match
aaaa
No match
/^(a)++\w/
aaaab
0: aaaab
** Failers
No match
aaaa
No match
bbb
No match
/^(a|)++\w/
aaaab
0: aaaab
** Failers
No match
aaaa
No match
bbb
No match
/(?=abc){3}abc/+
abcabcabc
0: abc
0+ abcabc
** Failers
No match
xyz
No match
/(?=abc)+abc/+
abcabcabc
0: abc
0+ abcabc
** Failers
No match
xyz
No match
/(?=abc)++abc/+
abcabcabc
0: abc
0+ abcabc
** Failers
No match
xyz
No match
/(?=abc){0}xyz/
xyz
0: xyz
/(?=abc){1}xyz/
** Failers
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
Error -26 (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
Error -17 (backreference condition or recursion test not supported for DFA matching)
/(?(R)a*(?1)|((?R))b)/
aaaabcde
Error -26 (nested recursion at the same subject position)
/(a+)/O
\O6aaaa
Matched, but offsets vector is too small to show all matches
0: aaaa
1: aaa
2: aa
\O8aaaa
0: aaaa
1: aaa
2: aa
3: a
/ab\Cde/
abXde
0: abXde
/(?<=ab\Cde)X/
abZdeX
0: X
/^\R/
\r\P
0: \x0d
\r\P\P
Partial match: \x0d
/^\R{2,3}x/
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
\r\r\P
Partial match: \x0d\x0d
\r\r\P\P
Partial match: \x0d\x0d
\r\r\r\P
Partial match: \x0d\x0d\x0d
\r\r\r\P\P
Partial match: \x0d\x0d\x0d
\r\rx
0: \x0d\x0dx
\r\r\rx
0: \x0d\x0d\x0dx
/^\R{2,3}?x/
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
\r\r\P
Partial match: \x0d\x0d
\r\r\P\P
Partial match: \x0d\x0d
\r\r\r\P
Partial match: \x0d\x0d\x0d
\r\r\r\P\P
Partial match: \x0d\x0d\x0d
\r\rx
0: \x0d\x0dx
\r\r\rx
0: \x0d\x0d\x0dx
/^\R?x/
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
x
0: x
\rx
0: \x0dx
/^\R+x/
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
\r\n\P
Partial match: \x0d\x0a
\r\n\P\P
Partial match: \x0d\x0a
\rx
0: \x0dx
/^a$/<CRLF>
a\r\P
Partial match: a\x0d
a\r\P\P
Partial match: a\x0d
/^a$/m<CRLF>
a\r\P
Partial match: a\x0d
a\r\P\P
Partial match: a\x0d
/^(a$|a\r)/<CRLF>
a\r\P
0: a\x0d
a\r\P\P
Partial match: a\x0d
/^(a$|a\r)/m<CRLF>
a\r\P
0: a\x0d
a\r\P\P
Partial match: a\x0d
/./<CRLF>
\r\P
0: \x0d
\r\P\P
Partial match: \x0d
/.{2,3}/<CRLF>
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
\r\r\P
0: \x0d\x0d
\r\r\P\P
Partial match: \x0d\x0d
\r\r\r\P
0: \x0d\x0d\x0d
\r\r\r\P\P
Partial match: \x0d\x0d\x0d
/.{2,3}?/<CRLF>
\r\P
Partial match: \x0d
\r\P\P
Partial match: \x0d
\r\r\P
0: \x0d\x0d
\r\r\P\P
Partial match: \x0d\x0d
\r\r\r\P
0: \x0d\x0d\x0d
1: \x0d\x0d
\r\r\r\P\P
Partial match: \x0d\x0d\x0d
/-- Test simple validity check for restarts --/
/abcdef/
abc\R
Error -30 (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\O0
Matched, but offsets vector is too small to show all matches
/-- 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
/(?(?!)a|b)/
bbb
0: b
aaa
No match
/()()a+/O=
aaa\D
** Show all captures ignored after DFA matching
0: aaa
1: aa
2: a
a\D
** Show all captures ignored after DFA matching
0: a
/(02-)?[0-9]{3}-[0-9]{3}/
02-123-123
0: 02-123-123
/-- End of testinput8 --/
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