Regular Expressions 101

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Community Patterns

7

simple email

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
7

Extract currency with currency symbol if present

ECMAScript (JavaScript)
Extracts values of the form £nnn,nnn.nn or $nnn.nnn from text
Submitted by Simon Gardner - 8 years ago
7

Remove Widows (PHP)

PCRE (PHP <7.3)
Adds a non-breaking space between the last two words of sentences
Submitted by herkulano - 8 years ago
72

Regex for telephone numbers all over the world

Recommended
ECMAScript (JavaScript)
Detects most of the phone numbers all over the world
Submitted by Aditya Joshi - 10 years ago
(Last modified 2 months ago)
4

semver

Recommended
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md First version of this regex follows semver 2.0.0....
Submitted by @gvlx <Gerardo Lisboa> - 9 years ago
35

IP Address validator

ECMAScript (JavaScript)
Validates IPv4 IP Address
Submitted by krzysp - 8 years ago
18

Date Regex(DD/MM/yyyy)

PCRE (PHP <7.3)
no description available
Submitted by alcaamado - 8 years ago
15

Hashtag

ECMAScript (JavaScript)
The secret of the Twitterverse.
Submitted by Joogl - 9 years ago
11

Codice fiscale

PCRE (PHP <7.3)
Check "codice fiscale"
Submitted by Luca - 8 years ago
11

Full url parse, domain, path, params

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
9

English date in "dd mmmm yyyy" format

Python
Parse an English date following the "dd mmmm yyyy" format.
Submitted by Tantale - 9 years ago
9

Letters, numbers and blank space

PCRE (PHP <7.3)
The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.
Submitted by Jordan Raychev - 8 years ago
17

Capture comma separated numbers

PCRE (PHP <7.3)
Capture comma separated numbers, no matter if there are spaces before or after the commas.
Submitted by Fernando Nunes - 8 years ago
86

Password Validation

ECMAScript (JavaScript)
Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.
Submitted by Christian Klemp - 8 years ago
31

ninite

PCRE (PHP <7.3)
no description available
Submitted by peek - 8 years ago
29

Wrap long string to spec length

PCRE (PHP <7.3)
no description available
Submitted by fullpipe - 10 years ago
11

find all link(<a>) tags expect your links in href attribute

ECMAScript (JavaScript)
YourLink - not found AnotherLink - found
Submitted by KoT - 8 years ago
10

Just validate one sequence of

PCRE (PHP <7.3)
sdfs sdfs FLBREV00022230 dsfsdfs sdfsf FLBREV00022234 In this case is false
Submitted by Fiipe - 9 years ago
10

Valid Telephone Number

ECMAScript (JavaScript)
This regex validates varying types of telephone numbers.
Submitted by Adam Recvlohe - 8 years ago
17

Between tags content

PCRE (PHP <7.3)
no description available
Submitted by Agustín Bouillet - 8 years ago
123456...871

semver

4

Regular Expression
Recommended
PCRE (PHP <7.3)

/
^(?'MAJOR'0|(?:[1-9]\d*))\.(?'MINOR'0|(?:[1-9]\d*))\.(?'PATCH'0|(?:[1-9]\d*))(?:-(?'prerelease'(?:0|(?:[1-9A-Za-z-][0-9A-Za-z-]*))(?:\.(?:0|(?:[1-9A-Za-z-][0-9A-Za-z-]*)))*))?(?:\+(?'build'(?:0|(?:[1-9A-Za-z-][0-9A-Za-z-]*))(?:\.(?:0|(?:[1-9A-Za-z-][0-9A-Za-z-]*)))*))?$
/
gm
Open regex in editor

Description

Loading markdown...
Submitted by @gvlx <Gerardo Lisboa> - 9 years ago