Regular Expressions 101

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Community Patterns

1

freeproxylists.net

PCRE (PHP <7.3)
regex for freeproxylists.net
Submitted by anonymous - 8 years ago
1

Match everything after last slash

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Find Whole CaMeL Words

PCRE (PHP <7.3)
The PCRE (or any regex flavor supporting word boundaries, Unicode properties and lookaheads) \b(?!\p{Lu}+\b)(?=\p{L}\p{Ll})(?=\p{L}\p{Lu})(?!\p{Lu}\p{Ll}*\b)\p{L}+\b regex finds CaMeL words that: Have at least 1 lowercase letter Have at least 1 uppercase letter Do not follow the X, XXX or Xxxx p...
Submitted by Wiktor Stribiżew - 8 years ago
1

1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

Match only ONE letter after a number

ECMAScript (JavaScript)
no description available
Submitted by padre629 - 8 years ago
0

Equidé

PCRE (PHP <7.3)
no description available
Submitted by Carl - 8 years ago
1

Complex Javascript Regex (ASCII Only)

ECMAScript (JavaScript)
no description available
Submitted by datatypevoid - 8 years ago
1

Complex Javascript Regex (With Non ASCII Support)

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
0

Simple 'Good Enough' Javascript Regex (ASCII Only)

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
1

URL pattern

PCRE (PHP <7.3)
URL pattern. include cyrillic characters
Submitted by Bobsans - 8 years ago
1

Chaîne non vide

PCRE (PHP <7.3)
Vérifie si la chaîne fournie est vide (c'est à dire composé uniquement d'espaces) ou non
Submitted by Alain Souchet - 8 years ago
1

Email

PCRE (PHP <7.3)
Teste la validité d'une adresse email
Submitted by Alain Souchet - 8 years ago
1

The correct order of the brackets 2

PCRE (PHP <7.3)
Check the correct order of the brackets (),,{},[] fix slashes
Submitted by Korniychuk Anton<ancor.dev@gmail.com> - 8 years ago
1

Address

Python
Regex for extracting address with pincode.
Submitted by Irfan Patel - 8 years ago
1

Disassembly Line Bytes

PCRE (PHP <7.3)
no description available
Submitted by zhaDe - 8 years ago
1

Date validation in dd MMM yyyy format

PCRE (PHP <7.3)
Date validation in dd MMM yyyy format Ex:14 Jan 2014
Submitted by neel - 8 years ago
1

V8 Stack

ECMAScript (JavaScript)
Parses the V8 StackFrames
Submitted by anonymous - 8 years ago
0

fraction

Python
mixed or simple fraction with whitespace, optional dash as separator
Submitted by anonymous - 8 years ago
1

Strip Dashes

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Valid UK postcode check

Python
Rather long, but pretty accurate, matches on BS7666 alpha num pattern. https://en.wikipedia.org/wiki/Postal_code#UK
Submitted by anonymous - 8 years ago
1...227228229230231...900

Community Library Entry

0

Regular Expression
Java 8

"
(?<if>#if\((?<ifContents>[^\)]+)\))(?<ifResult>[\s\S]+?)(?=#elif|#else|#end)(?<elIf>#elif[\s\S]+?(?=#else|#end))?(?<else>#else([\s\S]+?(?=#end)))?[\s\S]*?#end
"
ig
Open regex in editor

Description

A basic if else parser. It automatically captures the if equation and the result. It supports if, elif, and else statements. Note: for elif statements part 2 is required. This is because Regex can't use one group to capture multiple elif statements.

Part 2 can be found here

Submitted by Rubeste - 3 years ago