Regular Expressions 101

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1

Timestamps

ECMAScript (JavaScript)
Recognizes timestamps with the technical timestamp format.
Submitted by Alejandro, Andreu - a year ago (Last modified a year ago)
1

Matching CSS Properties

ECMAScript (JavaScript)
CSS Properties
Submitted by Luidenka - a year ago
1

Email with special characters

ECMAScript (JavaScript)
Built using this specification
Submitted by studium-inexorabile - a year ago
1

Word boundary with umlauts

ECMAScript (JavaScript)
Word boundary \b does not support umlauts.
Submitted by StephanGeorg - a year ago
1

Conventional Commits RegEx

Python
This RegEx can be used to check whether a string (usually a commit message) matches the structure specified in the conventional commits specification and it allows to retrieve the sections of the structure via. named groups. The groups are the following: (? means, that this can be empty/nullable) ...
Submitted by mccoderpy - a year ago
1

IPv4

Python
| Regex | Number | | :----------: | :-----------: | | 1?[1-9]?\d | 0-99, 110-199 | | 12\d | 100-149, 200-249 | | 25[0-5] | 250-255 | ...
Submitted by MicroMicrocosm - a year ago
1

Match last repetition and remove it

ECMAScript (JavaScript)
Remove the last repetition of a on texts like: a b c d a e f g
Submitted by Icaruk - a year ago
1

Extract email username from email address

ECMAScript (JavaScript)
This workspace contains the needed ECMAScript regex for use in Cloudflare Workers Email Routing.
Submitted by ~ajhalili2006 - a year ago
1

triple / double bottles

Python
triple / double bottles
Submitted by anonymous - a year ago
1

Match typescript filenames excluding .d.ts files

ECMAScript (JavaScript)
Match typescript filenames excluding .d.ts files This RegExp matches, ts tsx...
Submitted by @yumyum-web - a year ago
1

Replace ^ with Math.pow function. Not made to work with braces.

Java 8
Replaces ^ with Math.pow function call. This assumes all braces have been combined first. If you need help with the combination, I got you—try this Python algorithm: def evaluate_braces(expr): """Recursively evaluate expressions within braces""" Check if expression contains braces if '(' in...
Submitted by Glitchii - https://github.com/Glitchii - a year ago (Last modified a year ago)
1

Finnish SSN (2023 update)

ECMAScript (JavaScript)
Finnish SSN that supports the new intermediate characters that were added on 1.1.2023. Source for the new intermediate characters: https://dvv.fi/hetu-uudistus (in Finnish) https://dvv.fi/en/reform-of-personal-identity-code (in English)
Submitted by mpeltola - a year ago
1

Email finder

Java 8
Matches with the valid email addresses.
Submitted by anonymous - a year ago
1

RTTU Pharsing

ECMAScript (JavaScript)
RegEx for RTTU Pharsing
Submitted by CVIKL Dubravko - a year ago
1

json value extract

Java 8
json value extract
Submitted by anonymous - a year ago
1

golang re2 negative lookahead

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 - a year ago
1

Türkiye Araç Plaka Regexi - Türkiye Car Plate Regex

Java 8
Gist link for Java : https://gist.github.com/Gencturk-m/9962ce1e1dcf4dd9307062e34b023183 Aşağıdaki yapıdaki plakaları kabul eder: "01-81 X 9999", "01-81 X 99999"...
Submitted by Melih Gençtürk - https://github.com/gencturk-m - a year ago
1

phones

ECMAScript (JavaScript)
Разбирает список телефонов, разделенных ;
Submitted by Alex - a year ago
1

Authelia regex path rules

Golang
Testing Authelia subdomain / path rules. You can read more at the Authelia Docs By default, this regex101 page is shown a test for a generic API path domain: "some-sub.drpranavmishra.com" resources:...
Submitted by Pranav Mishra - a year ago (Last modified a year ago)
1

Catch multiline escaped text between quotes

ECMAScript (JavaScript)
Catch multiline escaped text between quotes: Catch quotes It is a functional component...
Submitted by David Blanchard - a year ago (Last modified a year ago)
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ISO_8601

0

Regular Expression
ECMAScript (JavaScript)

/
(?:^(?<year>-?(?:[1-9][0-9]*)?[0-9]{4})-(?<month>1[0-2]|0[1-9])-(?<date>3[01]|0[1-9]|[12][0-9])T(?<hours>2[0-3]|[01][0-9]):(?<minutes>[0-5][0-9]):(?<seconds>[0-5][0-9])\.(?<ms>[0-9]+)?)(?<offset>Z|[+-][0-5][0-9](?::?[0-5][0-9])?)?$
/
gm
Open regex in editor

Description

Matches strings in the ISO_8601 format. Named capture groups for year, month, date, hours, minutes, seconds, ms and timezone offset.

Submitted by anonymous - 5 years ago