Regular Expressions 101

Order By

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

Community Patterns

8

Alphanumeric and Spaces

PCRE (PHP <7.3)
Alow alphanumeric characters and spaces
Submitted by JTN - 9 years ago (Last modified a year ago)
13

URL Validator

PCRE (PHP <7.3)
Validates - URLs with schemes - http, https and ftp Relative URL starting with / and ../
Submitted by anonymous - 10 years ago
14

Phone Number

ECMAScript (JavaScript)
Allows phone numbers with optional country code, optional special characters and whitespace
Submitted by Tlmader - 9 years ago
6

ID003 device info

PCRE (PHP <7.3)
no description available
Submitted by sasjaq - 11 years ago
6

Validate Birth Date (d/m/Y)

PCRE (PHP <7.3)
From 1970 to 2015 Replace: (\d{4})$ for (19[7-9]\d|200-1)$
Submitted by Valdeir Santana - 9 years ago
13

regex101.com id grabber

PCRE (PHP <7.3)
grabs the ID for the regex101.com permalink to code
Submitted by chris mccoy - 10 years ago
9

domain - host

Python
no description available
Submitted by anonymous - 9 years ago
16

Alphanumeric Regex

PCRE (PHP <7.3)
no description available
Submitted by Deepan - 9 years ago
16

Password

ECMAScript (JavaScript)
Safe Password that allow only with a number, a lowercase, a uppercase, and a special character
Submitted by davidlondono - 10 years ago
18

Email validation

PCRE (PHP <7.3)
no description available
Submitted by tutsplus.com - 10 years ago
16

http url regex

ECMAScript (JavaScript)
general purpose HTTP URL regex
Submitted by Miguel Castillo @manchagnu - 9 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
12

Full name (Turkish)

ECMAScript (JavaScript)
Matches case insensitive first name, optional unlimited number of middle names and last name separated with space format. Replaced \w with explicit char range for Turkish support. (Äž accepted as first char not to over complex)
Submitted by CKK - 10 years ago
13

PHP variable name

PCRE (PHP <7.3)
Valid PHP variable name as defined in the manual at http://php.net/manual/en/language.variables.basics.php
Submitted by Erin Millard - 12 years ago
5

RegEx to validate oAuth 2.0 redirect_uri

ECMAScript (JavaScript)
A simple RegEx rule which should validate redirect_uri for oAuth2
Submitted by Vlad Miller - 10 years ago
5

youtube url match

ECMAScript (JavaScript)
extract video id, index, play list id from youtube URL
Submitted by anonymous - 9 years ago
5

email (tikhonov)

ECMAScript (JavaScript)
CheckEmail Login start or end simbols [._- ] .login@domain.com - fail -login@domain.com - fail _login@domain.com - fail login.@domain.com - fail...
Submitted by Tikhonov Alexander <123546.90@mail.ru> - 9 years ago (Last modified a year ago)
5

Bible reference extractor

Python
For scraping http://skepticsannotatedbible.com/
Submitted by antaytheist-owner - 9 years ago
11

Address Check Validation

PCRE (PHP <7.3)
Check for true or false street address format
Submitted by Dilip Borad - 11 years ago
6

Extract style

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1...891892893894895...900

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^(?:(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])$
/
mg
Open regex in editor

Description

Validates an IPv4 address for use as a URI host as defined in RFC-3986.

Submitted by ezzatron - 11 years ago