Regular Expressions 101

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Community Patterns

Search among 9,420 community submitted regex patterns...

0

camelCase Matches

PCRE (PHP <7.3)

camelCase Matches

Submitted by anonymous - 3 years ago

0

camelCase Matches

PCRE (PHP <7.3)

camelCase Matches

Submitted by anonymous - 3 years ago

0

Match Strings itself

PCRE (PHP <7.3)

Match Strings itself, include ""

Submitted by picc_lu - 3 years ago

0

Split words in brackets

Split words in brackets

Submitted by ugurakcil - 3 years ago

0

cisco cat3650cx & cat1000 'show power inline'

Matching show power inline output on cat1000 & cat3560cx

Submitted by me - 3 years ago

0

instagram regex url get shortcode all type url

PCRE (PHP <7.3)

Get shortcode from all type instagram url group 1 for username group 2 for p group 3 for reel group 4 for tv...

Submitted by anubiskun - 3 years ago

0

Strip Azure Devops merge commit for fit changelog

PCRE (PHP <7.3)

Using the right headerPattern that can correctly parse either the merge message or the commit message I was able to workaround the issue

Submitted by anonymous - 3 years ago

0

assoc_ff_solucao

PCRE (PHP <7.3)

identifies ff in assoc

Submitted by anonymous - 3 years ago

0

Replacing URL through Hyperlink in Text

Replacing URL through Hyperlink in Text

Submitted by anonymous - 3 years ago

0

ds100reg5

PCRE (PHP <7.3)

Submitted by anonymous - 3 years ago

2

regex101.com id grabber

PCRE (PHP <7.3)

Grabs the ID for the regex101.com permalink to code.

Submitted by Sasha Garan - 3 years ago (Last modified 3 years ago)

1

ds100reg4

PCRE (PHP <7.3)

Data 100 Regular Expression 4, adapted from Princeton

Submitted by anonymous - 3 years ago (Last modified 3 years ago)

3

Extract URL parts only named capturing groups

Extract URL parts only named capturing groups

Submitted by dixanms - 3 years ago

0

الرقم القومي المصري Egyptian National ID numer

PCRE (PHP <7.3)

استخراج المعلومات من الرقم القومي المصري لمعلومات اكثر رجاء زيارة: استخراج المعلومات من الرقم القومي المصري برمجياً

Submitted by anonymous - 3 years ago

0

chia plot

Submitted by temple - 3 years ago

0

Quiz Feed – Pages Only

PCRE (PHP <7.3)

The new quiz feed pages and its sub-feeds. i.e. /quizzes/foo

Submitted by anonymous - 3 years ago

-2

Quizzes Feedpager – XML

PCRE (PHP <7.3)

Matches the XML pages of the /quizzes routes for feedpager

Submitted by anonymous - 3 years ago

0

get arrays from Json

PCRE (PHP <7.3)

get arrays from Json

Submitted by fawaz - 3 years ago

0

Italian phone number regex

PCRE (PHP <7.3)

Italian phone number reg

Submitted by Ali Babayev - 3 years ago

0

Danish CPR number validation

PCRE (PHP <7.3)

CPR number is presented with or without a dash

Submitted by anonymous - 3 years ago

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Community Library Entry

3

Regular Expression
Golang

`

(?i)^(?:([a-z0-9-]+|\*)\.)?([a-z0-9-]{1,61})\.([a-z0-9]{2,7})$

`

gm

Open regex in editor

Description

Validates subdomain, root domain, and wild card domains

Submitted by AnonymousDapper - 8 years ago