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Community Patterns

12

Conventional Commits validation

Created·2022-01-03 20:30
Updated·2022-04-05 20:20
Flavor·Python
This regex prevents the writing of non-standard conventional commits. I'm available on my github
Submitted by Krisque
12

Find Reddit Threads

Created·2015-03-12 09:23
Flavor·Python
Simply searches for the thread-id in any kind of valid reddit-URL.
Submitted by Mio
11

extract subdomain(if available) or domain from URL

Created·2016-04-08 13:05
Flavor·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
6

Find and extract email domain

Created·2016-04-03 17:03
Flavor·Python
Find and extract email domain. Ex: test@example.pt -> extract 'example.pt'
Submitted by Fnxk
10

entity

Created·2015-11-20 01:12
Flavor·Python
no description available
Submitted by anonymous
83

Distinguish torrent files (series vs movies)

Created·2014-06-26 09:59
Updated·2023-07-20 15:08
Flavor·Python
A neat regex for finding out whether a given torrent name is a series or a movie. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). Also returns the season number or the year for the movie/series, depending on what was previously matched.
Submitted by Firas Dib
5

C# Regex Extract/Match Nested HTML Elements/Tags

Created·2022-03-03 19:13
Updated·2023-08-01 07:26
Flavor·.NET 7.0 (C#)
With this C# regex, you can easily match/Parse Nested HTML tags. Example input: someTitle SomeHeader anotherHeader HelloWorld Output: anotherHeader HelloWorld string pattern = $@"{ startP }((?'nested'{ openP })|{ closeP }(?'-nested')|\w\W]?){ closeP }"; *'StartP' (Must include open tag), example: <div id="target" *'openP' example: <div *'closeP' example: </div References: [In Depth with RegEx Matching Nested Constructions In Depth with .NET RegEx Balanced Grouping Regular expression matches closed HTML tags (nesting is supported)
Submitted by w4po
5

Match Only Text

Created·2016-07-05 03:56
Flavor·Python
no description available
Submitted by anonymous
5

psswd

Created·2016-03-24 09:04
Flavor·Python
no description available
Submitted by anonymous
5

Form Tag

Created·2016-02-26 06:49
Flavor·Python
Form Tag
Submitted by Jay Patel
5

import url image

Created·2015-12-18 08:44
Flavor·Python
import url image
Submitted by bartimeys
7

IOS3166 Country Code Identification REGEX

Created·2015-06-07 04:48
Flavor·Python
IOS3166 Country Code Identification REGEX
Submitted by theitgeek@recu.org.uk
7

SO: fail2ban regular to find 403 request in nginx

Created·2014-09-15 11:32
Updated·2023-07-27 20:59
Flavor·Python
http://stackoverflow.com/q/25778420/2072035
Submitted by anonymous
9

English date in "dd mmmm yyyy" format

Created·2015-05-18 19:41
Flavor·Python
Parse an English date following the "dd mmmm yyyy" format.
Submitted by Tantale
4

Equation matching (without equal)

Created·2015-07-01 19:50
Flavor·Python
use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1
Submitted by Kerosene2000
8

repeat group match

Created·2015-07-24 21:02
Flavor·Python
no description available
Submitted by anonymous
9

domain - host

Created·2015-09-29 17:50
Flavor·Python
no description available
Submitted by anonymous
9

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

Created·2014-05-22 23:34
Flavor·Python
This is simplified from my last submission.
Submitted by Dale O'Brien
3

Placeholder resolving

Created·2023-10-07 19:39
Flavor·.NET 7.0 (C#)
.Net regular expression for resolving placeholders in the format of ${rewriter(multilevel:key)?fallback} (+ variations)
Submitted by anonymous
3

Caltrans EA validation with optional XX-XXXXXX entry and C##-#????#

Created·2023-04-07 19:11
Updated·2023-04-07 19:51
Flavor·.NET 7.0 (C#)
Checks validity of an EA number first two digits 01-12 followed by hyphen then a number from 0-4 and then 4 numbers or uppercase letters and ending in a 1 or 4 for example "05-1J7601". Adding a capital C to the beginning is also accepted "C05-1J7601", along with the entry of 2 X's hyphen and 6 X's "XX-XXXXXX"
Submitted by RDJ@Ct
3

Match any layer bracket pair (.NET)

Created·2022-03-10 03:13
Flavor·.NET 7.0 (C#)
Match any layer bracket pair
Submitted by Yakumo Yukari
3

Extract URL parts only named capturing groups

Created·2022-02-03 00:00
Flavor·Golang
Extract URL parts only named capturing groups
Submitted by dixanms
3

Markdown Heading

Created·2021-12-14 21:41
Flavor·Java
Parses the text following a '#' and a space all the way up to the next return character. Additional #'s can be added for parsing of other type of headings!
Submitted by Hansen
3

Hostname validation

Created·2017-01-29 01:16
Flavor·Golang
Validates subdomain, root domain, and wild card domains
Submitted by AnonymousDapper
3

Thorough UK Postcode Validator with In/Out code capture groups

Created·2016-09-30 15:51
Flavor·Python
A more thorough UK postcode validator tested against all UK postcodes on a regular basis, but excluding the special GIRO postcode case out of personal preference. Additionally has capture groups for the In-code and Out-code sections. Requires case insensitive matching.
Submitted by Chris G
3

Email

Created·2016-09-07 03:55
Flavor·Python
Python
Submitted by anonymous
3

Capture Query Strings

Created·2016-05-15 10:22
Flavor·Python
A solution for capture query params.
Submitted by Rafael Laurindo
3

iframe src parser

Created·2016-01-05 12:41
Flavor·Python
Get iframe src
Submitted by Sumeet Fefar
3

Find URLs in markdown where the lines have been wrapped

Created·2014-08-26 21:13
Flavor·Python
no description available
Submitted by anonymous
7

CSS Import

Created·2014-05-03 00:51
Flavor·Python
no description available
Submitted by anonymous
5

Find consecutive duplicate words

Created·2015-08-31 22:17
Flavor·Python
no description available
Submitted by anonymous
4

Bible reference extractor

Created·2016-04-04 08:31
Flavor·Python
For scraping http://skepticsannotatedbible.com/
Submitted by antaytheist-owner
3

phone

Created·2015-05-07 17:14
Flavor·Python
matches: + example: +52 33 3884 7720 +1 770 343 5788
Submitted by miqui
4

Complete imgur link regex

Created·2015-03-13 11:26
Flavor·Python
This regex grabs all kinds of imgur links and groups them in meaningful names aswell. This way you have full flow-control in your python-scripts.
Submitted by Mio
3

Regex tutorial

Created·2020-07-01 10:00
Updated·2023-07-20 07:05
Flavor·Java
Case insensitive match the whole word betwween \bword\b
Submitted by anonymous
3

prices in nis

Created·2015-06-15 15:16
Flavor·Python
no description available
Submitted by molaxx
3

date time

Created·2014-01-29 03:45
Flavor·Python
1/Jul/2013 03:27:12
Submitted by himel
3

Twitch URL Regex

Created·2015-03-15 12:53
Flavor·Python
Can grab all kinds of valid twitch URLs.
Submitted by Mio
2

Validate color with grb group

Created·2026-02-03 03:22
Updated·2026-02-04 03:36
Flavor·Golang
match: #aabbcc #abc (255,255,255) (255,255,255,255) 255,255,255 no match: #gggggg #ggg 256,256,256
Submitted by Doyoung
2

Command line parser

Created·2024-08-23 09:01
Updated·2024-08-23 10:28
Flavor·.NET 7.0 (C#)
Supports parameters such as keys and values, also parameters enclosed in quotes.
Submitted by Pavel Bashkardin
2

Check Email Validity

Created·2023-11-15 10:54
Updated·2023-11-15 17:35
Flavor·Java
Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.
Submitted by Alain TOMASIAN <alain.tomasian@kaptus.fr>
2

CSV

Created·2023-09-09 10:06
Flavor·Java
Crude CSV regex to split only by characters surrounded by non-whitespace characters. Ignore that it dosen't highlight all of the other commas in the editor. If you select the g regex flag it will properly show here, but not work in Java. Credit to @merosity (Merosity#0135) on Discord!
Submitted by Merosity, regice202
2

Mikrotik firewall logs

Created·2023-08-11 19:09
Updated·2023-08-11 21:09
Flavor·Golang
Matching for mikrotik ROS 7 Used in promtail and grafana
Submitted by anonymous
2

Python regular expression to detect any type of group link and private channel in Telegram

Created·2023-07-23 15:57
Updated·2023-07-24 15:49
Flavor·Python
You can use this regular expression to identify any type of Telegram link. It doesn't matter whether it is t.me or telegram.me. Links including "joinchat" are also accepted.
Submitted by Telegram : T.me/TinyPY
2

URL Regex

Created·2023-07-06 08:43
Updated·2023-07-06 08:45
Flavor·.NET 7.0 (C#)
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by Jonathan
2

golang re2 negative lookahead

Created·2023-04-21 10:28
Flavor·Golang
Aquivalent solution for golang's unsupported negative lookahead in re2 flavor of go's regex. This example provides a negative lookahead similar to (?!/api/) ignoring routes with the /api/ prefix at the start.
Submitted by misha
2

Aus Mobile number

Created·2023-03-20 06:22
Flavor·.NET 7.0 (C#)
validates against multiple common formats
Submitted by anonymous
2

Get ip address (only ipv4) Validator

Created·2023-02-20 18:43
Updated·2023-02-21 12:05
Flavor·.NET 7.0 (C#)
Get ip address (only ipv4) Validator
Submitted by Mr.Tang
2

Phone number for all countries

Created·2023-02-07 07:33
Flavor·.NET 7.0 (C#)
Phone number for all countries. Valid symbols: ( ), -, whitespace
Submitted by Alexander Smirnov
2

Replace sub-strings in string

Created·2023-01-01 01:47
Flavor·.NET 7.0 (C#)
Replace sub-strings in string
Submitted by anonymous

Community Library Entry

3

Regular Expression
Created·2022-03-10 03:13
Flavor·.NET 7.0 (C#)

@"
\w+\([^()]*(((?'parenthesesPair'\()[^()]*)+((?'-parenthesesPair'\))[^()]*)+)*(?(parenthesesPair)(?!))\)
"
gm
Open regex in editor

Description

Match any layer bracket pair

Submitted by Yakumo Yukari