Regular Expressions 101

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Community Patterns

0

Remove double-slash comments

Python
This regex removes double-slash comments while avoiding anything between 'quotes' or "double quotes".
Submitted by jlacroix - 9 years ago
0

Improved RegEx101 ID Grabber

PCRE (PHP <7.3)
Grabs the ID and revision from the URL.
Submitted by RF - 9 years ago
0

html tags with exclusions

PCRE (PHP <7.3)
Matches any text starts with ""; Tag exclusions described in first non-capturing group (can be removed); Tag name will be captured by group #1;
Submitted by Pavel Savkin aka nhaizere - 9 years ago
0

year match

PCRE (PHP <7.3)
2010-2012
Submitted by tazbir - 9 years ago
0

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

File name

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

UAE Phone Numbers

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

YouTube Video ID + URL validator

PCRE (PHP <7.3)
Verifies YouTube video links AND pulls the video ID from them in a matching group. Works with all capitalizations. It also matches the WHOLE link but sorts the video ID into a group. Works with JavaScript, PHP and Python. (Not tested with any other Regex engine) ...
Submitted by Billy Venner - 9 years ago
0

Substitution not wokring

Python
For python regex, substiution not working properly. It is not replcing matched content of $1... and so on. Please take a look.
Submitted by anonymous - 9 years ago
0

brian

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Port mapping

PCRE (PHP <7.3)
no description available
Submitted by yord - 9 years ago
0

Match IP (ipv4) addresses: [0.0.0.0]-[255.255.255.255]

PCRE (PHP <7.3)
Matches ranges from 0-255 for all four octets. Extra leading or trailing '.' invalidate the match, as do values > 255.
Submitted by OnlineCop - 9 years ago
0

media info parser

PCRE (PHP <7.3)
This regex can be used to parse the "general", "video" or "audio" stream metadata returned by the mediainfo.dll inform() call.
Submitted by J.T. Taylor - 9 years ago
0

Matches dash-seperated terms in.

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

trim IP

PCRE (PHP <7.3)
find leading zeros in ipv4 adresses
Submitted by anonymous - 9 years ago
0

ipv4

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

Spain mobile phone numbers

PCRE (PHP <7.3)
Matches current mobile telephone numbers in Spain.
Submitted by Carlos Interactive3g - 9 years ago
0

Portugal mobile phone numbers

PCRE (PHP <7.3)
Matches current mobile phone numbers in Portugal
Submitted by Carlos Interactive3g - 9 years ago
0

Phone numbers

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Find li tag with "word"

PCRE (PHP <7.3)
Find li tag with "word"
Submitted by Sazar - 9 years ago
1...337338339340341...900

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
\b(?:\d+)?[24680]\b
/
gm
Open regex in editor

Description

Matches all the even numbers from a given input.

Submitted by Dashrath Sharma - a year ago