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Regular Expression Tester

BackValidatorsRegular Expression Tester

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Regular Expression Tester

Build, test, and debug regular expressions with real-time feedback

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Regular Expression Pattern

//g

Global (g)Case insensitive (i)Multiline (m)Dot all (s)

Examples

Test Text

Test if your pattern matches the input text and extract matched groups.

Result

Quick tip: Use parentheses ( ) to create capture groups you can reference later.