Regular Expressions 101

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Community Patterns

1

ISO 639-1

PCRE2 (PHP >=7.3)
Matches ISO 639-1 language codes. Sourced from https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
Submitted by Jason Whitehead - a year ago
1

ISO 3166-1 alpha 2

PCRE2 (PHP >=7.3)
Sourced from https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
Submitted by anonymous - a year ago
1

Hungarian license plates from 2022

PCRE2 (PHP >=7.3)
All regular and vanity Hungarian plates are included. Special plates, police, ambulance, etc. are not included.
Submitted by gergelyfuzi - a year ago (Last modified a year ago)
1

Extract any link or endpoint

Java 8
Extract any link or endpoint from 1- HTML page source 2- HTTP responses 3- JS files Feel free to contact me on Telegram https://t.me/c4ir0 if you:...
Submitted by Cairo - a year ago (Last modified a year ago)
1

Validar password

PCRE2 (PHP >=7.3)
Regex para validar una contraseña con un minimo 8 caracteres, maximo 16 y debe incluir minusculas, mayusculas, digitos y un caracter especial. Todo sin espacios
Submitted by anonymous - a year ago (Last modified a year ago)
1

Validate Wikipedia URL and extract Article Title

ECMAScript (JavaScript)
This works against a list of hyperlinks from the 'USS Marmora (1862)' article You can include File: pages by removing the File:| from the regex. I could improve how the remaining query for urls containing index.php, for now I recommend splitting in your chosen programming language. ...
Submitted by Martin Shaw - a year ago (Last modified a year ago)
1

Discord Message JSON

.NET 7.0 (C#)
Regex for one Discord Message
Submitted by Deniz-seckin55 - a year ago
1

Discord Message JSON

.NET 7.0 (C#)
Regex for a Discord Message as JSON Example JSON for Regex: { "id": "1145344233713188874",...
Submitted by Deniz-seckin55 - a year ago (Last modified a year ago)
1

Funny Discord Thing

.NET 7.0 (C#)
Submitted by Deniz-seckin55 - a year ago
1

Match RFC1918 And Localhost

PCRE2 (PHP >=7.3)
Matches RFC1918 and Localhost ips.
Submitted by nck - a year ago
1

Numero PDA

PCRE2 (PHP >=7.3)
Consente di controllare l'esattezza del numero di Porto d'armi
Submitted by Principio Tudisco - a year ago
1

VSCode TODO Tree regex

PCRE2 (PHP >=7.3)
Little tweaks to highlight tags in docblock comments also: /* NOTE */ ...
Submitted by ced404 - a year ago
1

Match many cases of 8601

Java 8
This is still a working in progress Need to do Unit Tests and search for more use cases Match partial cases of 8601 such as: missing offset missing time...
Submitted by jpmand - a year ago (Last modified a year ago)
1

filter branch name in git

PCRE2 (PHP >=7.3)
skip everything before the real last branch name
Submitted by anonymous - a year ago
1

No double same-letter

PCRE2 (PHP >=7.3)
Hello!!!!!.... -> Helo!.
Submitted by Deniz-seckin55 - a year ago
1

0x28C6A6DdF8fF8A47A90A69bfE75cd89904a14d71

Golang
0x28C6A6DdF8fF8A47A90A69bfE75cd89904a14d71
Submitted by anonymous - a year ago
1

Nginx Ingress

PCRE2 (PHP >=7.3)
Nginx-Ingress Pattern
Submitted by GauravKT - a year ago
1

line end marker

PCRE2 (PHP >=7.3)
marks ends of lines with ; (if you wrote something as an example in python and switched to php and you are too lazy to write ; after each line) doesnt marks it where its not supposed to mark (after { ( [ = , : and ; as an example
Submitted by anonymous - a year ago
1

regex chuoi tieng viet tuong doi

PCRE2 (PHP >=7.3)
aa
Submitted by anonymous - a year ago
1

Validate local host or local network

PCRE2 (PHP >=7.3)
Validate localhost:port, 127.0.:port, 192.168.:port
Submitted by anonymous - a year ago
1...281282283284285...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^(?:(?:10\.\d{1,3}\.\d{1,3}\.\d{1,3}|172\.(?:(?:1[6-9])|(?:2[0-9])|(?:3[0-1]))\.\d{1,3}\.\d{1,3}|192\.168\.\d{1,3}\.\d{1,3}|127\.\d{1,3}\.\d{1,3}\.\d{1,3})(?::\d{1,5})?)$
/
gm
Open regex in editor

Description

Matches RFC1918 and Localhost ips.

Submitted by nck - a year ago