Regular Expressions 101

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Community Patterns

-2

finds the instance of two or more repeating letters

Python
no description available
Submitted by cp0153 - 9 years ago
0

file extension

ECMAScript (JavaScript)
get the file extension of a given filename
Submitted by Simon Taylor - 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
0

find link to profile in VK html message

ECMAScript (JavaScript)
поиск в тексте всех ссылок на профили пользователей вконтакте. ссылки вида [id12345678|Name]
Submitted by MixApp - 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
2

i18 language lines extraction

ECMAScript (JavaScript)
Extracts lines with i18 prefix from text
Submitted by anonymous - 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
2

python:S117

PCRE (PHP <7.3)
Local variable and function parameter names should comply with a naming convention
Submitted by anonymous - 9 years ago
0

/[a-f0-9]{8}(?:-[a-f0-9]{4}){3}-[a-f0-9]{12}

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

Year regexp

PCRE (PHP <7.3)
regexp for year filtering
Submitted by anonymous - 9 years ago
2

Simple @user replacement

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

credit card

PCRE (PHP <7.3)
Based on http://www.regular-expressions.info/creditcard.html This example includes test strings. This only validates the pattern, and not whether the credit card number passes a checksum validation. See the Luhn algorithm for details https://en.wikipedia.org/wiki/Luhn_algorithm...
Submitted by Steve Piercy - 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
2

Function Parameter Switcher

PCRE (PHP <7.3)
Switches the order of two functions in a parameter.
Submitted by anonymous - 9 years ago
0

List of EmailAddresses

ECMAScript (JavaScript)
List of EmailAddresses optionally allowing with personal i.e. "Personal Name "
Submitted by anonymous - 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...4849505152...902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
(?<src_host>\w+\.\w+:\d{2})\s(?<src_ip>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\D{1,6}(?<date_time>[^ ]+)\s(?<GMT_offset>[^ ]+)\]\s"(?<action>(GET|POST|HEAD|TRACE|PUT|DELETE|CONNECT))\s(?<hash_url>[^ ]+)\s(?<protocol>[^\"]+)\"\s(?<code>\d{1,3})\s(?<size>[^ ]+)\s\"(?<referrer>[^ ]+)\"\s\"(?<user_agent>[^ ]+.+)\"
/
g
Open regex in editor

Description

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