Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

Changelog

ECMAScript (JavaScript)
Find and change changelog version numbers in a CHANGELOG.md file.
Submitted by Joshua - 2 years ago
1

Números decimales y exponenciales aislados

Python
Hace coincidir números decimales y exponenciales aislados para el sistema de numeración decimal. 22e22 22e+22 +22e22 +22e+22 22.22 22. .22 22.e22 22.e+22 22.22e22 22.22e+22 .22e22 .22e+22 88e 88e+ e88 e+88 88e88.
Submitted by Johnny Alonso - 2 years ago (Last modified 2 years ago)
1

todos and tags in code

PCRE2 (PHP >=7.3)
todos and tags in code
Submitted by anonymous - 2 years ago
1

Website validation

PCRE2 (PHP >=7.3)
This regex is for validating website url Only accept http and https With or without www With or without subdomain .com or dot any With any sub path...
Submitted by anonymous - 2 years ago
1

Regex of name or a firstname

PCRE2 (PHP >=7.3)
Format detected: "Jean" OR "Jean-Pierre" OR "Jean-Marie-Pierre"...
Submitted by Massinissa CHAOUCHI - 2 years ago
1

Sri Lankan Land/Fixed-line Telephone Number Validation

PCRE2 (PHP >=7.3)
Sri Lankan Land/Fixed-line Telephone Number Validation This expression validates if a given value is a valid Sri Lankan fixed line / land line telephone number. Sri Lankan land line numbers starts from 0 and does not contain 7 in the 2nd digit, and is 10 digits in length. ...
Submitted by Isuru Ranawaka - 2 years ago
1

Sri Lankan Mobile Number Validation

PCRE2 (PHP >=7.3)
See https://en.wikipedia.org/wiki/Telephone_numbers_in_Sri_Lanka
Submitted by Isuru Ranawaka - 2 years ago
1

Add commas between numbers

PCRE2 (PHP >=7.3)
This regex separates numbers with commas taking 0 into account.
Submitted by anonymous - 2 years ago
1

Regex de validação de número celular e fixo | PHP (PCRE2)

PCRE2 (PHP >=7.3)
Regex validação número celular e fixo Somente números nacionais Com ou sem DDI 55 (com ou sem + e/ou 00) DDD obrigatório (com ou sem parênteses) Com ou sem Dígito 9...
Submitted by Danillo Dantas - 2 years ago
1

Regex de validação de número celular e fixo | JS (ECMAScript)

ECMAScript (JavaScript)
Regex validação número celular e fixo Somente números nacionais Com ou sem DDI 55 (com ou sem + e/ou 00) DDD obrigatório (com ou sem parênteses) Com ou sem Dígito 9...
Submitted by anonymous - 2 years ago
1

extract url from html markdown

PCRE2 (PHP >=7.3)
222
Submitted by seocringe - 2 years ago
1

telephone_founder

Python
with obfuscation
Submitted by anonymous - 2 years ago
1

Markdown link

.NET 7.0 (C#)
Regex for parsing markdown link. Named group "text", "url" and "alt.
Submitted by anonymous - 2 years ago
1

Sri Lankan National Identity Card and Sri Lanka Identity Number validation

PCRE2 (PHP >=7.3)
Sri Lankans have two types of identifiation numbers. National Identity Card number Sri Lanka Identity Number National Identity Card number...
Submitted by Isuru Ranawaka - 2 years ago
1

Get IDs from Discord message link

ECMAScript (JavaScript)
This regex captures the IDs in a message link in separate capture groups. Warning: Due to my personal use case, it doesn't care if it's a real Discord message URL. You can pretty easily add that yourself if you need it tho. Capturing groups: Match 1: The whole ID string starting with / and may be e...
Submitted by SIMPLE MARK - 2 years ago
1

nginx access regex loki

Golang
nginx access log regex
Submitted by Lethisa Putri - 2 years ago
1

RFC5322-Email-Id-WHATWG

ECMAScript (JavaScript)
RFC5322 with WHATWG standard email id regex pattern
Submitted by Sivanesan - 2 years ago
1

ISO 8601:2004E Duration

.NET 7.0 (C#)
Regex for validating ISO 8601:2004E durations, complete with named capture groups.
Submitted by Sakura Akeno Isayeki - 2 years ago
1

IP Address

Java 8
(^([0-9]{2,3}.)([0-9]{2,3}.)([0-9]{2,3}.)([0-9]{2,3})$)
Submitted by anonymous - 2 years ago
1

S/O 73225392

PCRE2 (PHP >=7.3)
Replaces one style of markdown image with another
Submitted by anonymous - 2 years ago
1...271272273274275...900

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^(?!\s#).{3,}(?<!md\))$
/
gm
Open regex in editor

Description

check notion exported markdown: is empty page with links to another markdowns only

Submitted by anonymous - 5 years ago