Regex Tester

Test regular expressions with live match highlighting and capture groups.

A web service providing string processing tools and blog / tips. All processing runs entirely in your browser — your data is never sent anywhere.

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Case Conversion
Encoding
Crypto
Generators
Extract

Content

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[Generative AI Notice & Disclaimer] Some content on this site (articles, Tips, etc.) may have been created or assisted by generative AI. While we take great care to ensure accuracy, we do not guarantee the completeness or currency of the information. Please verify AI-generated information before use. Tool output may also vary depending on your use case and environment.