Regular Expressions 101

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Community Patterns

Search among 18,000 community submitted regex patterns...

1

Help

PCRE2 (PHP >=7.3)

please help I'm trying to capture some text parts of a PDF. I have a problem and can't solve it. I need to use a regexReplace, and for that, I need to find the desired item (match), and everything else will be replaced by the match....

Submitted by anonymous - 5 months ago

1

changelog

ECMAScript (JavaScript)

Submitted by alexsio nau - 5 months ago

1

12 to 22 digit fedex numbers

PCRE2 (PHP >=7.3)

This regular expression can be used to extract 12 to 22 digit fedex numbers from a string.

Submitted by anonymous - 5 months ago

1

validar links markdown

PCRE2 (PHP >=7.3)

Regex101 - Uma ferramenta interativa para testar expressões regulares. RegExr - Outra ferramenta online popular para aprender, construir e testar expressões regulares. Regular Expressions Info - Um site completo com informações detalhadas sobre expressões regulares. MDN Web Docs - Regular Expression...

Submitted by anonymous - 5 months ago

1

validar nome e sobre nome

PCRE2 (PHP >=7.3)

Silva, João Oliveira, Maria Santos, Pedro Pereira, Ana Ferreira, Lucas Costa, Beatriz...

Submitted by anonymous - 5 months ago

1

Discord Server Invite, Rust RegEx

A regular expression for Rust that matches against Discord server invite URLs, but not those without an actual code present. This may be used in Discord's AutoMod feature as it supports up to 10 Rust regular expressions per custom rule.

Submitted by sepruko - 5 months ago

1

Question Counter

PCRE2 (PHP >=7.3)

Counts number of questions in either a Quiz style, test, etc. multiple options available.

Submitted by CodeByAidan - 5 months ago

1

Fraudulent Gmail Sniffer

PCRE2 (PHP >=7.3)

Detects a when three or more numbers immediately precede "@gmail.com" in an attempt to identify fraudulent spam , spoofing or phishing.

Submitted by Aaron Miller - 5 months ago

1

JS/TS imports of external dependencies

This regex can be used on a JavaScript/TypeScript file to find imports from third-party packages. This is useful for determining what to put in dependencies/peerDependencies. This is a Rust regex, which makes it easy to use with rg (ripgrep). Pro tip: combine rg with sort -u to get a list of all pac...

Submitted by Nikita Karamov - 5 months ago

1

Battlemetrics line fixer

Fixes battlemetrics newline formatting

Submitted by Neun - 5 months ago

1

Normalize String 1

PCRE2 (PHP >=7.3)

O regex garante que palavras não tenham sequências de dois números consecutivos e não consistam apenas em números, exigindo pelo menos uma letra.

Submitted by anonymous - 5 months ago

1

Wikilink

PCRE2 (PHP >=7.3)

Matches internal Wikimedia/Wikipedia links and captures the article name i.e. captures substance theory

Submitted by anonymous - 5 months ago

1

Automod - Discord scam invitations

PCRE (PHP <7.3)

Matches variations of messages commonly used to send Discord scams/hacks. Instructions are written for YAGPDB

Submitted by paiuxfluens - 5 months ago

1

Automod - "pedophile"

PCRE2 (PHP >=7.3)

Matches "pedophile" and variations, including a few common bypasses.

Submitted by paiuxfluens - 5 months ago (Last modified 2 months ago)

1

Multiline CSS to one line CSS example (C#)

Regex that will match/replace unnecessary whitespaces in CSS code.

Submitted by Puchkov Eugene - 5 months ago (Last modified 5 months ago)

1

Email validation regex

PCRE2 (PHP >=7.3)

Email validation Explanation ^(?!.*@.*@) Asserts that the string does not contain two consecutive “@” symbols. ...

Submitted by Cxbersxnic - 5 months ago

1

Hugging Face NLP Tokenization

PCRE2 (PHP >=7.3)

https://huggingface.co/learn/nlp-course/chapter2/4?fw=pt

Submitted by anonymous - 5 months ago

1

Select formula content without '='

PCRE2 (PHP >=7.3)

RegEX: (? | lub |

Submitted by Piotr Osada - 5 months ago

1

ads on telewebion.com

PCRE2 (PHP >=7.3)

ads to block on telewebion.com

Submitted by Aquarii11 - 5 months ago

1

Russian car plate for Python

Regex for matching Russian car plate without region

Submitted by aalexren - 5 months ago

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Community Library Entry

-1

Regular Expression
ECMAScript (JavaScript)

/

^((1?[\d]?[\d]|2([0-4][\d]|5[0-5]))[.]){3}(1?[\d]?[\d]|2([0-4][\d]|5[0-5]))$

/

g

Open regex in editor

Description

Matches IP addresses

Submitted by jimbrig - a year ago