Regular Expressions 101

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Community Patterns

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

Adds custom prefix to tailwind classes

PCRE (PHP <7.3)
Or any other particular case where given any line that starts with the pattern "@apply" (or any other line heading) and it substitutes any word (list of characters without spaces), with or without puntuation in them, and it adds a custom prefix to all the words in that line but the line heading.
Submitted by @drakopablo.dev - a year ago
1...791792793794795...900

Community Library Entry

1

Regular Expression
.NET 7.0 (C#)

@"""
(\[|){\n(?<tab> )"id": "[0-9]*",\n\<tab>"type": [0-9],\n\<tab>"content": "[^"]*",\n\<tab>"channel_id": "[0-9]*",\n\<tab>"author": {\n(?<dtab> )"id": "[^"]*",\n\<dtab>"username": "[^"]*",\n\<dtab>"avatar": "[^"]*",\n\<dtab>"discriminator": "([0-9]{4}|[0-9])",\n\<dtab>"public_flags": [0-9]*,\n\<dtab>"flags": [0-9]*,\n\<dtab>"banner": (null|"[0-9]*"),\n\<dtab>"accent_color": (null|"[^"]*"),\n\<dtab>"global_name": "[^"]*",\n\<dtab>"avatar_decoration_data": (null|"[^"]*"),\n\<dtab>"banner_color": (null|"[^"]*")\n\<tab>},\n\<tab>"attachments": \[[^\]]*\],\n\<tab>"embeds": \[[^\]]*],\n\<tab>"mentions": \[[^\]]*],\n\<tab>"mention_roles": \[[^\]]*\],\n\<tab>"pinned": (true:|false),\n\<tab>"mention_everyone": (true|false),\n\<tab>"tts": (true:|false),\n\<tab>"timestamp": "[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}\+[0-9]{2}:[0-9]{2}",\n\<tab>"edited_timestamp": (null|"[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}\+[0-9]{2}:[0-9]{2}"),\n\<tab>"flags": [0-9]*,\n\<tab>"components": \[[^\]]*]\n}(\]|\,|)
"""
gm
Open regex in editor

Description

Regex for a Discord Message as JSON

Example JSON for Regex:

{ "id": "1145344233713188874", "type": 0, "content": "913 - this icecream good", "channel_id": "1124414874454339715", "author": { "id": "746383273621717104", "username": "oc_ori", "avatar": "95b9bdc7aa5784a2354e2ec5256ae736", "discriminator": "0", "public_flags": 128, "flags": 128, "banner": null, "accent_color": null, "global_name": "Carrot :3", "avatar_decoration_data": null, "banner_color": null }, "attachments": [], "embeds": [], "mentions": [], "mention_roles": [], "pinned": false, "mention_everyone": false, "tts": false, "timestamp": "2023-08-27T13:09:04.784000+00:00", "edited_timestamp": null, "flags": 0, "components": [] },

Submitted by Deniz-seckin55 - a year ago (Last modified a year ago)