Regular Expressions 101

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Community Patterns

2

Match 4chan thread URL

ECMAScript (JavaScript)
Matches a 4chan thread URL, see the examples
Submitted by Zeke Sonxx <github.com/zekesonxx> - 10 years ago
1

Grab {\w+?} together

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

Date validator for mm/dd/yy

ECMAScript (JavaScript)
no description available
Submitted by Dheeraj Khushalani - dotnetguy.net - 10 years ago
2

Replace text domain in WP i18n

PCRE (PHP <7.3)
This will find all instances where the WP i18n function __() is used, and change the text domain to something else. This will recognize instances of the function use as separate, even if they appear in the same function
Submitted by Xedin Unknown - 10 years ago
2

Li match

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Validate alphanumeric and numeric range

PCRE (PHP <7.3)
For Validating alphanumeric and numeric range
Submitted by anonymous - 10 years ago
-1

regex test

PCRE (PHP <7.3)
testing the string abc xyx 12 13 a a b
Submitted by Alien Coders - 10 years ago (Last modified a year ago)
0

Share?

PCRE (PHP <7.3)
Test
Submitted by test - 10 years ago
1

URL REGULAR EXPRESSION CHALLENGE

PCRE (PHP <7.3)
Follow the instructions to match/don't match the following urls. Then post to comminity with title: [URL CHALLENGE]:
Submitted by kostas trichas - 10 years ago
0

Challenge: Create regular expression that matches the following urls

PCRE (PHP <7.3)
Note the 2 lines separated urls. These should NOT match
Submitted by kostas trichas - 10 years ago
0

phone number (simple validate)

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
2

Regex Capture String

PCRE (PHP <7.3)
Capture out Parts using regular expressions
Submitted by Brandon - 10 years ago
1

DNS SOA

PCRE (PHP <7.3)
oneliner SOA record matching regexp. like "ns1.domain.com.ge. mail.ns1.domain.com.ge. (2014061613 3600 600 604800 1800 )" without @ IN SOA in begging, usefull when implementing something like DNS GUI.
Submitted by Nick Chkhikvishvili - 10 years ago
1

Double dollar delimited centred LaTeX equation

Python
Find all instances of a double dollar delimited centred LaTeX equation, for use with e.g. KaTeX
Submitted by drewsberry - 10 years ago
0

Single dollar delimited LaTeX equation

Python
Find single dollar delimited LaTeX equations, for use with e.g. KateX
Submitted by drewsberry - 10 years ago
1

Match date from calendar as string

PCRE (PHP <7.3)
Match date from calendar as string
Submitted by anonymous - 10 years ago
-2

1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
18

Email validation

PCRE (PHP <7.3)
no description available
Submitted by tutsplus.com - 10 years ago
0

Match all html tags

PCRE (PHP <7.3)
no description available
Submitted by Kostas Trichas - 10 years ago
1

Get all HTML tag names

PCRE (PHP <7.3)
no description available
Submitted by Kostas Trichas - 10 years ago
1...878879880881882...902

Community Library Entry

2

Regular Expression
ECMAScript (JavaScript)

/
^(?<first>[a-fA-F\d]{8})-?(?<second>[a-fA-F\d]{4})-?(?<third>[a-fA-F\d]{4})-?(?<fourth>[a-fA-F\d]{4})-?(?<fifth>[a-fA-F\d]{12})$
/
gm
Open regex in editor

Description

Matches a guid string that can optionally include dashes.

Submitted by anonymous - 3 years ago