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Regex Tester

Test regular expressions with real-time matching and group highlighting.

Regular Expression

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

Test String

Matches: 0

Enter a pattern to test

About This Tool

Write and test regular expressions with instant visual feedback. See all matches highlighted in real time, with support for global, case-insensitive, multiline, and dotall flags. Displays match details including index positions and capture groups. An essential tool for developers and data analysts.

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