Regular Expressions 101

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Community Patterns

1

Search for Abbreviations and acronyms

PCRE (PHP <7.3)
no description available
Submitted by Agustín Bouillet - 8 years ago
1

Chemical formula regex

PCRE (PHP <7.3)
Parses some chemical formula
Submitted by anonymous - 8 years ago
1

Catastrophic Backtrack

PCRE (PHP <7.3)
This regexp matches urls, but causes catastrophic backtrack
Submitted by anonymous - 8 years ago
1

Copyright Search

PCRE (PHP <7.3)
searches for either Copyright or copyright symbol, or the programmer's short hand of (c) (which is NOT legal, use the symbol!).
Submitted by Henry Rieke - 8 years ago
1

Gyazo Page to PNG

ECMAScript (JavaScript)
Turns Gyazo page links into PNG links (useful for auto-previews, embedding etc.)
Submitted by md678685 - 8 years ago
1

tr

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

date dd.mm.yyyy

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
4

,(?=([^\"]*\"[^\"]*\")*(?![^\"]*\"))

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

Hashtag

PCRE (PHP <7.3)
To find hashtags. It also allows underscores (_), not sure if that is officially correct.
Submitted by cad - 8 years ago
1

Fax number Regx for all countries

PCRE (PHP <7.3)
Fax number Regx for all countries
Submitted by Priya Viswanathan - 8 years ago
1

Dates validation

PCRE (PHP <7.3)
Not accurate
Submitted by anonymous - 8 years ago
1

Percentage complete

PCRE (PHP <7.3)
no description available
Submitted by Asif - 8 years ago
1

Plant Ninja woocommerce product category rewrites

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

Plant Ninja woocommerce product category rewrites

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

i

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
1

EDI parser - INVRPT 97A

PCRE (PHP <7.3)
INVRPT:D:97A
Submitted by Ran Z - 8 years ago
0

EDI file

PCRE (PHP <7.3)
no description available
Submitted by Ran Z - 8 years ago
1

Spaces

PCRE (PHP <7.3)
Get all spaces in a string
Submitted by anonymous - 8 years ago
1

potential shell

PCRE (PHP <7.3)
Potential malware/sheel signature
Submitted by cedk / ced404 - 8 years ago
1

matching+backreferencing method parameters

PCRE (PHP <7.3)
match a specific method name match a quoted double value for method parameter 1 match a quoted, specific string value for method parameter 2
Submitted by nickleus - 8 years ago
1...685686687688689...900

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^(“[^“”]+”)|\s(“[^“”]+”)|^("[^"]+")|\s("[^"]+")|^('.*')\s|\s('.*')\s|^('.*')$
/
ig
Open regex in editor

Description

The regex tries to match several types of quotations trying to avoid extreme cases. Bare in mind that this was developed for a specific use and thus some of the matches might not work for you.

Submitted by Shadi Lahham - 8 years ago