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Community Patterns
Search among 15,160 community submitted regex patterns...
3
Match a valid IPv4 or IPv6 address
PCRE (PHP <7.3)
This regular expression will match an IPv4 address as well as both compressed or uncompressed IPv6 address.
Submitted by
Tom Groeneveld, SevOne.com
-
8 years ago
1
pohe no nubmer valdiation
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
Java
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
Lines file First and Last Node
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
detect if input is valid domain name
PCRE (PHP <7.3)
no description available
Submitted by
nnnn20430
-
8 years ago
1
hastags shortcuts
PCRE (PHP <7.3)
This regexp is used in the SPIP cms for create tags fastly when you are writting a post.
Submitted by
pierre.laszczak@gmail.com
-
8 years ago
1
Atomic group
PCRE (PHP <7.3)
Atomic Groups are non-capturing and once a match is made will exit the atomic group and throw away all backtracks. Use Atomic Groups for optimising performance. A non-atomic expression \b(foobar|foot|foo)\b and a test string of foots will: match foo of foobar => fail and backtrack to the 2nd alter...
Submitted by
anonymous
-
8 years ago
1
Positive Look ahead and Look Behind
PCRE (PHP <7.3)
Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...
Submitted by
Rajesh
-
8 years ago
1
POSITIVE LOOK AHEAD AND POSITIVE LOOK BEHIND
PCRE (PHP <7.3)
Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...
Submitted by
anonymous
-
8 years ago
1
positive lookahead and positive lookbehind
PCRE (PHP <7.3)
Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...
Submitted by
anonymous
-
8 years ago
1
Positive lookahead
PCRE (PHP <7.3)
finds the first bar (Find "bar" which has "bar" after it)
Submitted by
anonymous
-
8 years ago
1
Polynomials regex
PCRE (PHP <7.3)
Decompose polynomials of type +/- NUMBERx ^ NUMBER
Submitted by
anonymous
-
8 years ago
1
dfrgeagtcer
PCRE (PHP <7.3)
regcergtecrhcethgeargerer
Submitted by
regerhsrthrstchrtxhdrsxthjsrthrthrth
-
8 years ago
1
\A(?:[A-Za-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[A-Za-z0-9!#$%&'*+/=?^_`{|}~-
ECMAScript (JavaScript)
fasfasfsafas
Submitted by
anonymous
-
8 years ago
1
Match URL
ECMAScript (JavaScript)
no description available
Submitted by
http://piecedigital.github.io
-
8 years ago
1
Match fluid-width-video-wrapper YouTube video
PCRE (PHP <7.3)
no description available
Submitted by
Erica Franz
-
8 years ago
1
kl
ECMAScript (JavaScript)
jhkjnbkn
Submitted by
kjnlkj
-
8 years ago
1
Regex for Youtube
PCRE (PHP <7.3)
Regex to catch youtube traffic in a Mikrotik router
Submitted by
HMBE
-
8 years ago
1
cuke-orderFills
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
1
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
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SO Question
1
Regular Expression
PCRE (PHP <7.3)
/
(?:
\d
+
h
)?
(?:
\d
+
m
)?
(?:
\d
+
s
)?
/
g
Open regex in editor
Description
SO Question
Submitted by
PaperBirdMaster
-
9 years ago