Regular Expressions 101

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Community Patterns

4

C# Regex Extract/Match Nested HTML Elements/Tags

.NET 7.0 (C#)
With this C# regex, you can easily match/Parse Nested HTML tags. Example input: ...
Submitted by w4po - 3 years ago (Last modified a year ago)
5

import url image

Python
import url image
Submitted by bartimeys - 9 years ago
5

Form Tag

Python
Form Tag
Submitted by Jay Patel - 9 years ago
5

psswd

Python
no description available
Submitted by anonymous - 9 years ago
5

Bible reference extractor

Python
For scraping http://skepticsannotatedbible.com/
Submitted by antaytheist-owner - 9 years ago
5

Match Only Text

Python
no description available
Submitted by anonymous - 8 years ago
5

Match any url in text or html (http, https)

PCRE2 (PHP >=7.3)
Match any url in text or html (http, https)
Submitted by Jérémy Munsch - 3 years ago
6

Find consecutive duplicate words

Python
no description available
Submitted by anonymous - 9 years ago
6

Find and extract email domain

Python
Find and extract email domain. Ex: test@example.pt -> extract 'example.pt'
Submitted by Fnxk - 9 years ago
7

CSS Import

Python
no description available
Submitted by anonymous - 11 years ago
7

SO: fail2ban regular to find 403 request in nginx

Python
http://stackoverflow.com/q/25778420/2072035
Submitted by anonymous - 10 years ago (Last modified a year ago)
7

IOS3166 Country Code Identification REGEX

Python
IOS3166 Country Code Identification REGEX
Submitted by theitgeek@recu.org.uk - 10 years ago
8

Extract Protocol, URL, URL Path, get parameters and hash from URI

Python
This is simplified from my last submission.
Submitted by Dale O'Brien - 11 years ago
8

repeat group match

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

English date in "dd mmmm yyyy" format

Python
Parse an English date following the "dd mmmm yyyy" format.
Submitted by Tantale - 10 years ago
9

domain - host

Python
no description available
Submitted by anonymous - 9 years ago
10

entity

Python
no description available
Submitted by anonymous - 9 years ago
10

extract subdomain(if available) or domain from URL

Python
This regex should extract the subdomain, if any, or the domain, if no subdomain is used, from an arbitrary URL
Submitted by trevi@twanda.com - 9 years ago
11

Conventional Commits validation

Python
This regex prevents the writing of non-standard conventional commits. I'm available on my github
Submitted by Krisque - 3 years ago (Last modified 3 years ago)
12

Find Reddit Threads

Python
Simply searches for the thread-id in any kind of valid reddit-URL.
Submitted by Mio - 10 years ago
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Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(?:\A|;)(?:\s*)((?:%macro |%inc(?:lude)?\b|data |proc )[^;]+)
/
g
Open regex in editor

Description

Basic sas boundaries, %macro proc %include etc

Submitted by Leo Lopes - 9 years ago