Regex Tester

Test regular expressions with explanation and highlighting

regexregular expressiontestpatternmatch

Regular Expression

//g

Global (g)Case Insensitive (i)Multiline (m)Dotall (s)

Common patterns:

Test String

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Test regular expressions with explanation and highlighting This free online tool runs entirely in your browser, ensuring your data stays private and secure. No server uploads, no data collection. Fast, reliable, and available 24/7.

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