Regex101
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Score
60
User Rating
3.0
Free/Trial Support
Supported
Starting Price
--
Last Updated
Aug 04, 2026
Overview
What is Regex101?
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
What is Regex101 used for?
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Regex101 Pricing
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