How to test a regular expression?

Enter your regex and test text. Matches are highlighted instantly.

What regex flags are available?

Global (g), case-insensitive (i), multiline (m) and other standard flags.

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Test your regular expressions with real-time highlighting. Free.

How to test a regular expression?: Enter your regex and test text. Matches are highlighted instantly.
What regex flags are available?: Global (g), case-insensitive (i), multiline (m) and other standard flags.
Is it free?: Yes, 100% free with no signup.