Regular Expressions 101

Order By

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

Community Patterns

1

US Phone Number

ECMAScript (JavaScript)
The way I like it formatted
Submitted by @mattbontrager - 9 years ago
2

string contains

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

Full Name

ECMAScript (JavaScript)
cheking full name e.g. Mathias d'Arras Martin Luther King, Jr. Hector Sausage-Hausen
Submitted by Aymen - 9 years ago
5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 9 years ago
5

North American Phone Number

ECMAScript (JavaScript)
Validate North American phone numbers with capture groups for the Area Code, Exchange Code, Line Number, and Extension.
Submitted by AaronBoots - 8 years ago
-1

Finds <font> tag

PCRE (PHP <7.3)
Useful for cleaning old html code from tags
Submitted by anonymous - 11 years ago
1

get image with classname

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

Number, comma and dot

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

SSN

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

US and Canada Regex

ECMAScript (JavaScript)
A zipcode regex for validation of both US and Canada
Submitted by Kyle M. - 11 years ago
1

Phone numbers matcher

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
3

po box

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

Unicode url sanitising

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
2

Url with <a> (param) validation

PCRE (PHP <7.3)
https://www.google.com http://www.google.net/hello https://www.google. http://www.google./hello above url matching with given regex...
Submitted by Duleep Dissanayaka - 11 years ago
4

Repeated words (JS)

ECMAScript (JavaScript)
no description available
Submitted by paconaranjo - 11 years ago
0

Matches when the string does not contain an exact word

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

Regex Formula for matching 2 letter Prefix URL's

PCRE (PHP <7.3)
I am trying to write a Regex formula that will match to all URL's with specifically 2 letter prefixes. I have a list of close to 1000 websites, and I need a formula that will collect data from any sites that start with "..".sporttu.com. For example, I want it to match to sites like ca.sporttu and ...
Submitted by MikeRo - 10 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
3

Fetch data between curly braces with plain text

PCRE (PHP <7.3)
This regex fetch only the data between content in curly braces (first occurrence, use preg_match_all in php, for all occurrences). This is useful for bad JSON files with wrong format or text between.
Submitted by shakaran87 - 10 years ago
1

Find Word on A Text

PCRE (PHP <7.3)
This expression find a word in a text without limitation of "\b" statement
Submitted by theShadow - 10 years ago
1...1011121314...902

Community Library Entry

1

Regular Expression
Python

r"
\b(?P<date> (?P<day> (?:(?:0[1-9]|[12]\d|30)(?=[- :\.\/](?:04|06|09|11)))| (?:(?:0[1-9]|[12]\d|3[01])(?=[- :\.\/](?:01|03|05|07|08|10|12)))| (?:(?:0[1-9]|[12]\d)(?=[- :\.\/]02[- :\.\/]\d\d(?:([02468][048])|([13579][26]))) (?![- :\.\/]02[- :\.\/](?:([2468][1235679])|([13579][01345789])00)))| (?:(?:0[1-9]|1\d|2[0-8])(?=[- :\.\/]02[- :\.\/])) )[- :\.\/] (?P<month>0[1-9]|1[012])[- :\.\/] (?P<year>[1-9]\d{3}) )\b
"
gmx
Open regex in editor

Description

1000-9999 years '-', ' ', ':', '.', or '/' may be user as divider

Submitted by furren - 9 months ago