Regular Expressions 101

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Community Patterns

1

Detect Even Numbers in any String

PCRE2 (PHP >=7.3)
Detects even numbers in any string: ex. Hello, I'm __18__ years old. ex. 17.02 (not detected)
Submitted by anonymous - 8 months ago
1

Nigeria Phone Number Validation

PCRE2 (PHP >=7.3)
This regex will allow you validate the pattern of Nigeria phone number.
Submitted by Raymonbell - 8 months ago
1

UUID v7

PCRE2 (PHP >=7.3)
Matching UUID v7 based on https://uuid7.com/ and related docs: https://uuid.ramsey.dev/en/stable/rfc4122/version7.html https://www.ietf.org/archive/id/draft-peabody-dispatch-new-uuid-format-04.html#name-uuid-version-7
Submitted by DynamoRed - 8 months ago
1

YYMMDD Date with leap year

ECMAScript (JavaScript)
This expression validates any YYMMDD date, and insures that the leap year is accounted for. This is valid till 2099, 2100 is NOT a leap year.
Submitted by M. Fahmy - 8 months ago (Last modified 7 months ago)
1

Kubernetes log parsing

PCRE2 (PHP >=7.3)
A generic expression to capture any log generated by K8s components in an environment running banzai logging (fluentd/fluentbit)
Submitted by TJ - 8 months ago
1

regex

PCRE (PHP <7.3)
Match regex cheat sheet words in https://techearl.com/regex-cheat-sheet url
Submitted by anonymous - 8 months ago
1

Identifies Addition Equation

PCRE2 (PHP >=7.3)
Submitted by anonymous - 8 months ago
1

Instagram Profile URL

ECMAScript (JavaScript)
ECMAScript for Instagram Profile URL
Submitted by chiminori - 8 months ago
1

For_create_package

PCRE2 (PHP >=7.3)
Для создания пакетов в БД
Submitted by anonymous - 8 months ago
1

Task 6: Broken Keyboard

PCRE2 (PHP >=7.3)
Optimal solution for Task 6 of https://regex101.com/quiz/6, beating s/(.)\1{2}/$1/g by one token.
Submitted by chakra - 8 months ago
1

Task 7: Validate an IP [44 chars, Non-Optimal]

PCRE2 (PHP >=7.3)
Near-optimal solution for Task 7 https://regex101.com/quiz/7. Optimal is 39 characters. Credit to Danail Gabenski on stackoverflow for the \.\b trick.
Submitted by chakra - 8 months ago
1

Deutescher Wetter dinst station 15813 sortirung zu Mittag

.NET 7.0 (C#)
Mittags zeit only
Submitted by anonymous - 8 months ago
1

Discord IP Blocker

Rust
Blocks IPs that are sent in discord. Will block any IP, even if the numbers aren't in valid ranges (like 327.19.8.79) Has basic protections against whitespace
Submitted by Bee3D - 8 months ago (Last modified 8 months ago)
1

Divar domain check

PCRE2 (PHP >=7.3)
checks provided string be a url of divar domain
Submitted by anonymous - 8 months ago (Last modified 8 months ago)
1

Detects all variations of Yes/No

PCRE2 (PHP >=7.3)
Regex detecting
Submitted by anonymous - 8 months ago
1

Phone number - Fr or Eu

PCRE2 (PHP >=7.3)
Allow numbers like: 0689553212 0789553212 +33689553212 +32689553212 0033689553212...
Submitted by Bruno Duyé - 8 months ago
1

Telegram Bot Tokens

Python
matches for telegram bot tokens
Submitted by anonymous - 8 months ago
1

Pig Latin

PCRE2 (PHP >=7.3)
Pig Latin
Submitted by anonymous - 7 months ago
1

Patu

ECMAScript (JavaScript)
"^(http://|https://|http://www\.|https://www\.|www\.)?(www\.(twanda))?(([\w\-]+)?\.?(twanda|))(\.ch|\.com)(:\d+)?/.+$"igm
Submitted by anonymous - 7 months ago
1

Match camelCase file names. Allows numbers and [], [[]] as first chars.

ECMAScript (JavaScript)
This regex is used to match file names with camelCase names only. It allows numbers and [...], [[...]] as first characters.
Submitted by Florent Catiau-Tristant - 7 months ago (Last modified 7 months ago)
1...119120121122123...910