- 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
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 Library
Regular Expression Library provides a searchable database of regular expressions Users can add, edit, rate, and test regular expressions
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