Regular Expressions 101

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Community Patterns

1

Spaces

PCRE (PHP <7.3)
Get all spaces in a string
Submitted by anonymous - 9 years ago
1

EDI parser - INVRPT 97A

PCRE (PHP <7.3)
INVRPT:D:97A
Submitted by Ran Z - 9 years ago
1

i

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1

Plant Ninja woocommerce product category rewrites

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

Plant Ninja woocommerce product category rewrites

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

Percentage complete

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

Dates validation

PCRE (PHP <7.3)
Not accurate
Submitted by anonymous - 9 years ago
1

Fax number Regx for all countries

PCRE (PHP <7.3)
Fax number Regx for all countries
Submitted by Priya Viswanathan - 9 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 - 9 years ago
0

date dd.mm.yyyy

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1

tr

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

Catastrophic Backtrack

PCRE (PHP <7.3)
This regexp matches urls, but causes catastrophic backtrack
Submitted by anonymous - 9 years ago
1

Chemical formula regex

PCRE (PHP <7.3)
Parses some chemical formula
Submitted by anonymous - 9 years ago
1

Search for Abbreviations and acronyms

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

Apache Error Log Date Parsing

PCRE (PHP <7.3)
Parse the date from an Apache Error Log in the format of "Wed Jun 01 20:05:21.12345 2016"
Submitted by garys - 9 years ago
1

ip addr

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

timestamp offset

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

Url Exclud word

PCRE (PHP <7.3)
exclude match if a word is in the url
Submitted by anonymous - 9 years ago
1...221222223224225...902

Community Library Entry

0

Regular Expression
Python

r"
\$?\d+(?:\.\d+)?
"
g
Open regex in editor

Description

$?\d+(?:.\d+)?

Submitted by anonymous - 6 years ago