- 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
- RegExr: Learn, Build, Test RegEx
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 Validate patterns with suites of Tests Save share expressions with others Use Tools to explore your results
- 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
- Regular expression syntax cheat sheet - JavaScript | MDN - MDN Web Docs
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?
A regular expression (regex) is a sequence of characters that define a search pattern Here's 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
- Regex Cheat Sheet
A quick start regex cheat sheet reference guide for regular expressions, including regex syntax, symbols, ranges, grouping, assertions, Unicode handling, and some practical examples
- Regular-Expressions. info - Regex Tutorial, Examples and Reference . . .
At Regular-Expressions info you will find a wide range of in-depth information about a powerful search pattern language called 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
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