Regular Expressions 101

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Community Patterns

1

Date format

ECMAScript (JavaScript)
date should be in format YYYYMMDDHHMMSS
Submitted by Prashant Kumar Dubey - 9 years ago
1

Email id

Python
no description available
Submitted by anonymous - 9 years ago
1

Slug

PCRE (PHP <7.3)
Matches alphanumeric slugs without repeating dashes
Submitted by Óscar Enríquez - 9 years ago
1

Console.log line deletion, multi line.

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

Get email info (2)

PCRE (PHP <7.3)
Get Gmail tag, user and domain of an email address. -- Fixed the bug that the label be obligatory
Submitted by Matías Pizarro González - 9 years ago
1

my apache2 access.log regex

PCRE (PHP <7.3)
google.com:80 212.111.203.171 - - [02/Mar/2015:10:27:04 +0000] "GET /css/style.css HTTP/1.1" 304 138 "http://google.com" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36"
Submitted by marf - 9 years ago
1

Year regexp

PCRE (PHP <7.3)
regexp for year filtering
Submitted by anonymous - 9 years ago
1

ipv4 and ipv6

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

masked phone input validator

ECMAScript (JavaScript)
masked phone input validator
Submitted by fermanakgun - 9 years ago
1

Absolute Date format

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

Match_Between_Nth_And_Nth+1_Occurence_Of_Character_Pattern

ECMAScript (JavaScript)
This regular expression is designed to work with character-delimited strings, and provides a means to specify the index of delimiter occurrence at which content is extracted.
Submitted by Connor Goddard - 9 years ago
1

regex to get N words from a line

ECMAScript (JavaScript)
usefull if you want to return (N) words instead of (N) chars
Submitted by Pavel Dominguez - 9 years ago
1

Match a string that is equal to a string before a '='

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

Matches Content-Type field of HTTP response

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

ip/host:port parser (proxy lists)

PCRE (PHP <7.3)
simple ip:port or host:port parser capturing ip or host and port, usually used for proxy lists
Submitted by The Voider - 9 years ago
1

Floating Point

ECMAScript (JavaScript)
Tests a floating point number
Submitted by Josh L. Rasmussen - 9 years ago
1

pure url and uri

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

Simple Telephone number regex

PCRE (PHP <7.3)
It accepts phone numbers of the form 0XX XXX XX XX (stylized here, it doesn't really accept spaces). Also, it can detect the international area code (e.g. +41 OR 0041 for Switzerland). It's not a good idea to rely on the groups (because they do not work for this reason. At ALL.
Submitted by Adowrath - 9 years ago
1

Search tags "a" and get link and text from tags

PCRE (PHP <7.3)
Search group "link=>text" in tags "a"
Submitted by Andy - 9 years ago
1

Email Regex

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1...5859606162...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])$|^(?:(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-fA-F]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,1}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,2}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,3}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:[0-9a-fA-F]{1,4})):)(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,4}(?:(?:[0-9a-fA-F]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,5}(?:(?:[0-9a-fA-F]{1,4})))?::)(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,6}(?:(?:[0-9a-fA-F]{1,4})))?::))))$
/
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Description

no description available

Submitted by shri - 9 years ago