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Free Online Regex Tester - Test Regular Expressions | 247365

Test and debug regular expressions with real-time matching. Free online tool.

Regular Expression Pattern

Regular Expression Pattern

/g

Flags

Regex Flags

Active flags:

/g/

Flags modify how the regex pattern behaves. Hover over each flag to see examples.

Test String

Test String

1

0 characters

1 line

Keyboard Shortcuts

Ctrl+T Tester

Ctrl+E Explanation

Ctrl+R Reference

Ctrl+P Patterns

Ctrl+C Copy Pattern

Esc Clear Messages

All regex testing happens in your browser. No data is sent to any server.