Regular Expressions 101

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Community Patterns

-2

non-negative integer

ECMAScript (JavaScript)
repeat ... refactor
Submitted by jay johnson - 11 years ago
1

non negative integers

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
1

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

Comments in XML document

PCRE (PHP <7.3)
Match comments in a XML document.
Submitted by Jared Rummler - 11 years ago
1

match hyphen between quotes

PCRE (PHP <7.3)
no description available
Submitted by cetanu - 11 years ago
15

us postal/zip

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
2

SRT (SubRip) Parser

PCRE (PHP <7.3)
Matches id, timecode and text for multiple subtitles. Make sure the source ends with a blank line to capture the last subtitle.
Submitted by Fergo - 11 years ago
1

erferf

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

rfrf

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
5

Accept url without www

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
1

Matching an Email

ECMAScript (JavaScript)
no description available
Submitted by appsunited - 11 years ago
-2

Russian mobile number normilizer (dumb)

PCRE (PHP <7.3)
no description available
Submitted by fullpipe - 11 years ago
1

Match US Currency Amount

PCRE (PHP <7.3)
Group 1 has dollar amount with or without commas, Group 4 has optional cents.
Submitted by anonymous - 11 years ago
2

Get dynamic parameters from an URL

PCRE (PHP <7.3)
Gets the parameters (how many you want) from a url and organize into groups
Submitted by Caio Oliveira - 11 years ago
7

Split quotes and single words

ECMAScript (JavaScript)
Find " and ' quoted strings and "orphaned"/single words in a string
Submitted by LoveIsGrief - 11 years ago
1

Replace second (or further) html statement in a whole code

ECMAScript (JavaScript)
This regex replace the second tag content which has the prefix ":". If you want to replace the third, just increase the statement {1} to {2}, and so go on.
Submitted by Caio Oliveira - 11 years ago
1

regular expression to replace except text from html tags

ECMAScript (JavaScript)
expression to look for words in innerText & not in html tags as id or class or style name
Submitted by umarfarukh - 11 years ago
1

tags, tags in quotes

PCRE (PHP <7.3)
#day tralalala #"day" tralalala #'beautiful_day'
Submitted by voodoo free.dev.ua@gmail. - 11 years ago
483

regex101.com permalink id grabber

PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.
Submitted by chris mccoy - 11 years ago (Last modified 7 months ago)
0

Grab text in double square brackets (excluding triple)

PCRE (PHP <7.3)
no description available
Submitted by Petah - 11 years ago
1...894895896897898...900

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^[a-z0-9]([a-z0-9]*[-_]*[a-z0-9]+)*@([a-z0-9]*[-_\.]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?$
/
i
Open regex in editor

Description

no description available

Submitted by kaihang - 8 years ago