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- regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP PCRE, Python, GO, JavaScript, Java, C# NET, Rust
- Regular expression - Wikipedia
The phrase regular expressions, or regexes, is often used to mean the specific, standard textual syntax for representing patterns for matching text, as distinct from the mathematical notation described below
- RegExr: Learn, Build, Test RegEx
Menu RegExr is an online tool to learn, build, test Regular Expressions (RegEx RegExp) Supports JavaScript PHP PCRE RegEx Results update in real-time as you type Roll over a match or expression for details
- Regular expression syntax cheat sheet - JavaScript | MDN
This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide If you need more information on a specific topic, please follow the link on the corresponding heading to access the full article or head to the guide
- Regex Tutorial - How to write Regular Expressions?
Start by understanding the special characters used in regex, such as " ", "*", "+", "?", and more Choose a programming language or tool that supports regex, such as Python, Perl, or grep
- RegexOne - Learn Regular Expressions - Lesson 1: An Introduction, and . . .
RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions
- Regex Tutorial—From Regex 101 to Advanced Regex
Regular Expressions Tutorial Comprehensive resource covering basic to advanced uses of regex Includes regex cheat sheet, tools, books and tricks
- Regex Cheat Sheet - Common Patterns Syntax Guide
This cheat sheet is a comprehensive guide to the most common regular expression patterns, syntax, and constructs Use it as a quick reference for your regex development
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