Regex Tester
Enter a regular expression and test string below. Matches are highlighted in real time. Supports JavaScript regex flags. All processing happens locally in your browser.
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Regular Expression Flags
| Flag | Description |
|---|---|
g | Global - find all matches, not just the first |
i | Case-insensitive matching |
m | Multiline - ^ and $ match line
boundaries |
s | Dotall - . matches newlines |
u | Unicode - enable full Unicode matching |