Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

2

CSS Minimizer

PCRE (PHP <7.3)
Takes any valid CSS and minimizes it, removing comments and whitespace. Can be called with something like PHP's preg_replace() to dynamically minimize css files.
Submitted by skoskie - 9 years ago
3

UK TEL

ECMAScript (JavaScript)
UK Telephone Number REGEX no () and no spaces
Submitted by \JOLLY - 9 years ago
0

teste

Python
tes
Submitted by tes - 9 years ago
1

Name Validation

PCRE (PHP <7.3)
Start with capital letter. Allowed special characters '(Apostrophe) -(hyphen) .(dot) (space) and can not end with -(Hyphen)
Submitted by Venu Nimmagadda - 9 years ago
10

RFC 3987 compliant URL regex

ECMAScript (JavaScript)
This is a JavaScript port of the URL regex from http://stackoverflow.com/a/190405/384062 that includes a bug fix and some optimization. Mathias Bynens's Regenerate was used to convert unicode escapes. Bug fix: Eliminated stray | falsely allowing querystring to contain | ...
Submitted by Hans Meyer - 9 years ago
1

Extract name and value from CSS border-radius

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

ie 11 check

ECMAScript (JavaScript)
checks for ie 11 user agent
Submitted by Yamakichi - 9 years ago
1

FIND BETWEEN QUOTES

PCRE (PHP <7.3)
Dovrebbe beccare anche eventuali caratteri '' (due apici singoli)
Submitted by m.montesi - 9 years ago
-2

Parse all adresses in href

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

4shared

PCRE (PHP <7.3)
www.4shared.com
Submitted by guru - 9 years ago
1

a-zA-Z + 0-9 + [!$%&?]

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

leap year validate

ECMAScript (JavaScript)
no description available
Submitted by Ahosan Karim Asik - 9 years ago
4

Phone number

PCRE (PHP <7.3)
no description available
Submitted by Mark Landry - 9 years ago
0

test

PCRE (PHP <7.3)
AttributeConnID 45524524355
Submitted by anonymous - 9 years ago
5

FIlename sanitization regular expression

PCRE (PHP <7.3)
Useful for filename sanitization. Matches invalid filename characters. Can be used in preg_replace() calls.
Submitted by FractalizeR@yandex.ru - 9 years ago
1

Google Maps URL Coordinates

PCRE (PHP <7.3)
Find the GPS coordinates in a Google Maps' URL ex. : https://www.google.fr/maps/place/Nancy/@48.6880809,6.173437,14z/data=!3m1!4b1!4m2!3m1!1s0x4794986e17a692cd:0x4ed671b10d82498d Get these : lat : 48.6880809...
Submitted by Cédric Anamorphik - 9 years ago
3

javascript regex ftp directory list

ECMAScript (JavaScript)
javascript regex ftp directory list
Submitted by anonymous - 9 years ago
2

Country calling codes

PCRE (PHP <7.3)
Parses countries list from https://countrycode.org/
Submitted by anonymous - 9 years ago
1

ipv4

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
3

Div content

PCRE (PHP <7.3)
no description available
Submitted by mohammadsaleh - 9 years ago
1...836837838839840...902

Community Library Entry

2

Regular Expression
PCRE (PHP <7.3)

/
(\/\*(.|\s)*?\*\/|(\n|\t|\r|\v|\f|\a){1,}|\s(?=\s)|(?<=})\s|(?<={)\s|\s(?={)|\s(?=})|(?<=;)\s|[[:blank:]](?=;)|(?<=:)[[:blank:]]|(?<=,)[[:blank:]])
/
g
Open regex in editor

Description

Takes any valid CSS and minimizes it, removing comments and whitespace. Can be called with something like PHP's preg_replace() to dynamically minimize css files.

Submitted by skoskie - 9 years ago