Regular Expressions 101

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Community Patterns

1

Decimal digit with some text pattern at the end.

PCRE2 (PHP >=7.3)
[0-9]+\.?[0-9,]* ?(?:UI|IU|MCG|G|I.U|I.U.|MG|ML|GM)(?:\/?[0-9]+\.?[0-9]* ?(?:UI|IU|MCG|G|I.U|I.U.|MG|ML|GM))?
Submitted by anonymous - 2 years ago
1

Mobile Number (with country code)

PCRE2 (PHP >=7.3)
Basic Regex to validate mobile numbers, with country code
Submitted by Ashutosh Mishra - 2 years ago
1

uzbekistan phone number

PCRE2 (PHP >=7.3)
uzbekistan phone number
Submitted by Elbek Khamdullaev - 2 years ago
1

match domain, but not www

PCRE2 (PHP >=7.3)
matches domains with or without www, does not include www
Submitted by anonymous - 2 years ago
1

dante config

PCRE2 (PHP >=7.3)
generates dante config based on domains
Submitted by anonymous - 2 years 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 - 2 years ago
1

Select songs starting with 3+ numbers but not 1|2

PCRE2 (PHP >=7.3)
Select songs starting with odd numbers like 3+ numbers(001 - song.mp3, 000004 - song.mp3), but not simple ones 1|2 like (01 - song.opus or 1 - song.mp3) : 01 - The Black Eyed Peas - The Time (Dirty Bit).opus 0000000 - Nelly Furtado - Say It Right.mp3 ...
Submitted by anonymous - 2 years ago
1

Secret HTML Comment

PCRE (PHP <7.3)
This REGEX can be used for, e.g., PHP scripts to filter out comments that are only important for development.
Submitted by anonymous - 2 years ago
1

capitalAfterVowel

PCRE2 (PHP >=7.3)
Given a string, make every consonant after a vowel uppercase.
Submitted by anonymous - 2 years 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 - 2 years 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 - 2 years ago
1

UNC Path Component Validation - Sharename

.NET 7.0 (C#)
There are specific requirements for the different components of a UNC path. While it's possible to try and validate the entire UNC path in one go, you quite often end up needing to break the path down anyway unless simply handing it off to some other library (in which case they should be providing v...
Submitted by thejamesdecker - 2 years ago
1

[\p{Sc}\p{So}\p{Mn}\p{P}\p{Z}À-ÿ]

PCRE2 (PHP >=7.3)
[\p{Sc}\p{So}\p{Mn}\p{P}\p{Z}À-ÿ]
Submitted by anonymous - 2 years ago
1

Unfallversicherung Unternehmensnummer (UNR.S)

PCRE2 (PHP >=7.3)
Unfallversicherung Unternehmensnummer (UNR.S) Dieser reguläre Ausdruck prüft, ob eine mögliche syntaktisch richtige Unternehmensnummer (UNR.S) vorliegt. Eine Unternehmensnummer je Unternehmen ersetzt ab dem 01.01.2023 die vielen Systeme von Mitgliedsnummern bei Berufsgenossenschaften, der Sozialve...
Submitted by Benjamin Butschko (LOHNunion GmbH) - 2 years ago
1

smartctl regex

PCRE2 (PHP >=7.3)
Regex for smartctl output
Submitted by anonymous - 2 years ago
1

Worse smartctl regex

PCRE2 (PHP >=7.3)
Regex for smartctl output, but worse.
Submitted by anonymous - 2 years ago
1

URL Validator (HTTP and HTTPS)

PCRE (PHP <7.3)
Validate one URL HTTP and HTTPS
Submitted by Joaquim - 2 years ago
1

USA phone matcher

PCRE2 (PHP >=7.3)
Regex for matching usa number like: 555-555-5555 (555)555-5555 (555) 555-5555 555 555 5555...
Submitted by Arif - 2 years ago
1

Date match by CodeZ

PCRE2 (PHP >=7.3)
Matching date patterns for coursera text mining assignment 1.
Submitted by CodeZ - 2 years ago (Last modified 2 years 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 - 2 years ago
1...275276277278279...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
(([\+]?[ 0-9]{1,6}([ \.\-])?)?([\(]{1}[ +0-9]{2,6}[\)])?([ 0-9A-Z\.\-]{1,32})([0-9]+))|((e|x|ex|ext|extension)(\.|\:)?([ ]{1})?[0-9]+)
/
gm
Open regex in editor

Description

Useful for phone number extraction

Submitted by hslayer - 7 years ago