Regular Expressions 101

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Community Patterns

2

log4j log parsing

PCRE (PHP <7.3)
This pulls out all the fields in a log4j field. Suitable for use in a Logstash Grok pattern or similar
Submitted by Robin Kearney - 10 years ago
2

Parse keywords from search string

PCRE (PHP <7.3)
no description available
Submitted by @bananascript - 10 years ago
2

python regex

Python
no description available
Submitted by anonymous - 10 years ago
2

parse images

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

Regex Capture String

PCRE (PHP <7.3)
Capture out Parts using regular expressions
Submitted by Brandon - 10 years ago
2

Li match

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

Replace text domain in WP i18n

PCRE (PHP <7.3)
This will find all instances where the WP i18n function __() is used, and change the text domain to something else. This will recognize instances of the function use as separate, even if they appear in the same function
Submitted by Xedin Unknown - 10 years ago
2

Date validator for mm/dd/yy

ECMAScript (JavaScript)
no description available
Submitted by Dheeraj Khushalani - dotnetguy.net - 10 years ago
2

Match 4chan thread URL

ECMAScript (JavaScript)
Matches a 4chan thread URL, see the examples
Submitted by Zeke Sonxx <github.com/zekesonxx> - 10 years ago
2

find numeric groups in strings

PCRE (PHP <7.3)
no description available
Submitted by Vovan - 10 years ago
2

SO “00000000000000000000000000000” is match to Regex “^[1-9]|0$” in .N

PCRE (PHP <7.3)
Test regex for question.
Submitted by pwas - 10 years ago
2

log trillian

Python
no description available
Submitted by NTP-[SADAS] - 10 years ago
2

PAN verification regex

PCRE (PHP <7.3)
Regex to verify PAN in India
Submitted by Anirban - 10 years ago
2

fail2ban real expression for w00tw00t

PCRE (PHP <7.3)
A real fai2ban expression for w00tw00t with alias substitution
Submitted by MarcD - 10 years ago
2

Positive Numbers greater than 0 with leading zeroes.

ECMAScript (JavaScript)
Accepts all positive numbers above 0. Accepts numbers with leading zeroes e.g.: 0123, 00123.
Submitted by Sandeep Ranka - 10 years ago
2

e164 format

ECMAScript (JavaScript)
e164 format
Submitted by anonymous - 10 years ago
2

phone regex

ECMAScript (JavaScript)
Match phone number with extensions or not
Submitted by Mélissa Dumont - 10 years ago
2

donotbackup

PCRE (PHP <7.3)
finding directories w/ donotbackup
Submitted by anonymous - 10 years ago
2

Regular Expression For Date

ECMAScript (JavaScript)
Regular expression for asp:RegularExpressionValidator with format MMddyy. i have Resolved leap year issue as well as month ending day issue with Regular expression
Submitted by Priyanka Khadilkar - 10 years ago
2

Email validation

ECMAScript (JavaScript)
Very crude, but effective email validation.
Submitted by Ryan Oaks - 10 years ago
1...858859860861862...902

Community Library Entry

2

Regular Expression
ECMAScript (JavaScript)

/
(https?:\/\/)?(www.)?(youtube\.com|youtu\.be|youtube-nocookie\.com)\/(?:embed\/|v\/|watch\?v=|watch\?list=(.*)&v=)?((\w|-){11})(&list=(\w+)&?)?
/
i
Open regex in editor

Description

It gets the playlistID and the videoID to conform the embed URL from the video URL

Submitted by @rubenlopezgea - 10 years ago