Regular Expressions 101

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Community Patterns

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 - 9 years ago
1

Positive lookahead

PCRE (PHP <7.3)
finds the first bar (Find "bar" which has "bar" after it)
Submitted by anonymous - 9 years ago
1

Polynomials regex

PCRE (PHP <7.3)
Decompose polynomials of type +/- NUMBERx ^ NUMBER
Submitted by anonymous - 9 years ago
1

dfrgeagtcer

PCRE (PHP <7.3)
regcergtecrhcethgeargerer
Submitted by regerhsrthrstchrtxhdrsxthjsrthrthrth - 9 years ago
1

\A(?:[A-Za-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[A-Za-z0-9!#$%&'*+/=?^_`{|}~-

ECMAScript (JavaScript)
fasfasfsafas
Submitted by anonymous - 9 years ago
1

Season and episode extractor

Python
extract form the name of a tvseries file the season ande episode
Submitted by 0b1w4n - 9 years ago
1

Match URL

ECMAScript (JavaScript)
no description available
Submitted by http://piecedigital.github.io - 9 years ago
1

Match fluid-width-video-wrapper YouTube video

PCRE (PHP <7.3)
no description available
Submitted by Erica Franz - 9 years ago
1

kl

ECMAScript (JavaScript)
jhkjnbkn
Submitted by kjnlkj - 9 years ago
1

Regex for Youtube

PCRE (PHP <7.3)
Regex to catch youtube traffic in a Mikrotik router
Submitted by HMBE - 9 years ago
1

cuke-orderFills

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

C2I_BIO_2A_D1.2.02_21405520.txt

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Date with format YYYY-MM-DD

PCRE (PHP <7.3)
no description available
Submitted by Kazadri - 9 years ago
1

Aggregates

Python
no description available
Submitted by anonymous - 9 years ago
1

2 or more space between text

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

php `define` match

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

csv split, accounting for 'sub-csv' groups inside brackets

PCRE (PHP <7.3)
This came up as a need for splitting a url param into an array ofr stings, where such a string may be a sublist contained within a bracket pair
Submitted by Martin Renvoize - 9 years ago
0

PASSWORD VALIDATION (FX8DY0/1)

PCRE (PHP <7.3)
Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.
Submitted by Dat.Dao - 9 years ago
2

Password Regex

PCRE (PHP <7.3)
Atleast one charector Atleast one number Min 6 and Max 20 Special charectors optional
Submitted by Bijjala - 9 years ago
1...726727728729730...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
(\"(\\.|[^"])*\")|(\'(\\.|[^'])*\')
/
g
Open regex in editor

Description

jhkjnbkn

Submitted by kjnlkj - 9 years ago