Regular Expressions 101

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Community Patterns

0

Simple lookahead

PCRE (PHP <7.3)
https://docs.racket-lang.org/guide/Looking_Ahead_and_Behind.html
Submitted by anonymous - 7 years ago
0

1

PCRE (PHP <7.3)
1
Submitted by anonymous - 7 years ago
0

Match filenames New

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

common

ECMAScript (JavaScript)
these are my common regexp
Submitted by muma - 7 years ago
0

common

ECMAScript (JavaScript)
these are my common regexp
Submitted by muma - 7 years ago
0

Templaxy

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

elevator openings

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
1

RNA

PCRE (PHP <7.3)
French association register number RNA
Submitted by Maxime - 7 years ago
1

SIRET

PCRE (PHP <7.3)
Business register number for France SIRET
Submitted by Maxime - 7 years ago
1

SIREN

PCRE (PHP <7.3)
SIREN for french business register number
Submitted by Maxime - 7 years ago
1

Match on phone number in any standard format

PCRE (PHP <7.3)
Match on a phone number in ANY standard phone number format.
Submitted by KyleV - 7 years ago
1

Match on Valid IP

PCRE (PHP <7.3)
Match on VALID IP address anywhere in string.
Submitted by KyleV - 7 years ago
0

Étude - Atomic Grouping

PCRE (PHP <7.3)
no description available
Submitted by PHILIPPE Vincent - 7 years ago
0

Étude - Atomic Grouping

PCRE (PHP <7.3)
no description available
Submitted by PHILIPPE Vincent - 7 years ago
0

XS command

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Étude - Positive Lookbehind

PCRE (PHP <7.3)
no description available
Submitted by PHILIPPE Vincent - 7 years ago
0

Search z-index: -1

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Android Build Number

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
-1

Extract brazilian DDD and phone number

PCRE (PHP <7.3)
Extract brazilian DDD and phone number
Submitted by Anderson Rodrigues - 7 years ago
1...531532533534535...900

Community Library Entry

-2

Regular Expression
PCRE (PHP <7.3)

/
# https://regex101.com/r/fP1oQ6/2 (?(DEFINE)# (?<W>\s*) (?<V>\d+(?:\.\d+)?(?&W)) (?<S>[-+]?) (?<O>(?&W)[-+*\/](?&W)) (?<E>(?&S)(?:(?&V)|\((?&W)(?&E)(?&W)\))(?:(?&O)(?&E))?)# )# ((?&E))
/
xgJ
Open regex in editor

Description

ValidatesMathematical Expressions. Ignores whitespace. Includes parenthesis matching.

Submitted by Jeremy Friesen - 9 years ago