Regular Expressions 101

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Community Patterns

1

Validate local host or local network

PCRE2 (PHP >=7.3)
Validate localhost:port, 127.0.:port, 192.168.:port
Submitted by anonymous - 9 months ago
1

regex chuoi tieng viet tuong doi

PCRE2 (PHP >=7.3)
aa
Submitted by anonymous - 9 months 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 - 9 months ago
1

Nginx Ingress

PCRE2 (PHP >=7.3)
Nginx-Ingress Pattern
Submitted by GauravKT - 9 months ago
1

No double same-letter

PCRE2 (PHP >=7.3)
Hello!!!!!.... -> Helo!.
Submitted by Deniz-seckin55 - 9 months ago
1

filter branch name in git

PCRE2 (PHP >=7.3)
skip everything before the real last branch name
Submitted by anonymous - 9 months ago
1

VSCode TODO Tree regex

PCRE2 (PHP >=7.3)
Little tweaks to highlight tags in docblock comments also: /* NOTE */ ...
Submitted by ced404 - 9 months ago
1

Numero PDA

PCRE2 (PHP >=7.3)
Consente di controllare l'esattezza del numero di Porto d'armi
Submitted by Principio Tudisco - 9 months ago
1

Match RFC1918 And Localhost

PCRE2 (PHP >=7.3)
Matches RFC1918 and Localhost ips.
Submitted by nck - 9 months 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 - 9 months ago (Last modified 9 months 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 - 9 months ago (Last modified 9 months 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 - 9 months ago
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 - 9 months ago
2

regex101: RFC1918 Private IPv4 Addresses, but limited to matching /24 subnet host IDs

PCRE2 (PHP >=7.3)
POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.
Submitted by anonymous - 9 months ago
1

Match emoji in emoji-zwj-sequences.txt

Python
Match emoji in emoji-zwj-sequences.txt
Submitted by anonymous - 9 months ago
1

CH IBAN in Text finden

PCRE2 (PHP >=7.3)
Der Ausdruck findet alle CH (Schweizer) IBAN (International Bank Account Number) in einem beliebigen Text.
Submitted by anonymous - 9 months ago
1

emoji-test.txt

Python
emoji-test.txt
Submitted by anonymous - 9 months ago
1

find literal yyyy-mm-dd dates

PCRE2 (PHP >=7.3)
to find usage of magic strings in a codebase
Submitted by anonymous - 9 months ago
1

Split transcript into multiple columns

PCRE2 (PHP >=7.3)
Submitted by Stephen Stroup - 9 months ago
1

Find all PHP short echo tags

PCRE2 (PHP >=7.3)
Find all short echo tags and convert to Laravel Blade echo brackets {{ }}
Submitted by matasbi - 9 months ago
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Email Validation General (miscrosoft email rule)

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^([a-z0-9]+(?:([_-]+|[.])[\w-]+|[_-])*)@([a-z0-9]+(?:([.-]\w+)*\.)[a-z]{2,13})$
/
i
Open regex in editor

Description

^([a-z0-9]+(?:([-]+|[.])[\w-]+|[-]))@([a-z0-9]+(?:([.-]\w+).)[a-z]{2,13})$

Submitted by Riki - 10 months ago