Regular Expressions 101

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Community Patterns

3

xferlog parser (proftpd, ftpd, vsftpd, etc..)

PCRE (PHP <7.3)
This pulls out all the fields from a standard xferlog format log. Format specified here http://www.castaglia.org/proftpd/doc/xferlog.html
Submitted by Robin Kearney - 10 years ago
3

UUID

PCRE (PHP <7.3)
no description available
Submitted by Jason - 10 years ago
3

Finds dates lacking period before month (Norwegian)

PCRE (PHP <7.3)
no description available
Submitted by EB - 10 years ago
3

Get URL parameters

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
3

php input:date yyyy-mm-dd

PCRE (PHP <7.3)
improved "Ahmed Z" regexp. PHP date format (and input[type=text] format date too): YYYY-MM-DD. Year between [1900-2099]. No leap year check. Month 02 is limited to 29 days.
Submitted by Oropesa - 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
3

everything that doesn't match .gitignore at the end

PCRE (PHP <7.3)
must match: selection/nl/example.xml selection/example.xml selection/blabla.txt selection/es/ ...
Submitted by anonymous - 10 years ago
3

UK Postcode Checker

PCRE (PHP <7.3)
This is an improvement of the very good tH9mQ1/1. It did not pickup on the first two postcodes found here: //http://en.wikipedia.org/wiki/Postcodes_in_the_United_Kingdom
Submitted by Flexander - 10 years ago
3

javascript template replacement

ECMAScript (JavaScript)
no description available
Submitted by akamaozu - 10 years ago
3

youtube id match

PCRE (PHP <7.3)
youtube id 17 matches
Submitted by Wiliam Castilhos, Ramon Barros - 10 years ago
3

ISO 8601 date

PCRE (PHP <7.3)
Validates a date with ISO 8601 format. Source: http://www.pelagodesign.com/blog/2009/05/20/iso-8601-date-validation-that-doesnt-suck/
Submitted by anonymous - 10 years ago
3

TimezoneOffset

ECMAScript (JavaScript)
parses timezones in the format -08:00 or -8:0
Submitted by Neha Kadam - 10 years ago
3

TEST

ECMAScript (JavaScript)
negation
Submitted by anonymous - 10 years ago
3

Simple math regex

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
3

Alternative Capture Country Codes

PCRE (PHP <7.3)
no description available
Submitted by Branden - 10 years ago
3

URL with matching categories

PCRE (PHP <7.3)
Finds the protocol, subdomain, ((domain, extension)/ipaddress), port, filepath (split in path and filename), the route and the query string.
Submitted by fps - 10 years ago
3

Smart Target Blank

ECMAScript (JavaScript)
Allow you to check if the JavaScript location.pathname is a link required adding a target="_blank".
Submitted by Bruno Lesieur - 10 years ago
3

Twitch URL Regex

Python
Can grab all kinds of valid twitch URLs.
Submitted by Mio - 10 years ago
3

^.*(\/Summary\/).*(chelaxe\.ru).*$

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
3

How do I write a Regex to inspect Cisco Interfaces

PCRE (PHP <7.3)
I am asking for help in writing a regular expression to shorten this expression. I need the string below to search every interface within the range of 1 -24 to validate the configuration. If one interface does not have the required configuration then the expression fails. interface GigabitEtherne...
Submitted by Pirates - 10 years ago
1...881882883884885...901

Community Library Entry

2

Regular Expression
.NET 7.0 (C#)

@"
(?:[/-]+(?<key>\S+?))|(?:""[/-]+(?<key>.+?)"")|(?:'[/-]+(?<key>.+?)')|(?:""(?<value>.+?)"")|(?:'(?<value>.+?)')|(?<value>\S+)
"
gm
Open regex in editor

Description

Supports parameters such as keys and values, also parameters enclosed in quotes.

Submitted by Pavel Bashkardin - 3 months ago (Last modified 3 months ago)