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Regex Tester

Test and debug regular expressions in real-time. Highlight matches and see captured groups.

Regular Expression

Pattern

Flags

Test String

Highlighted Matches

Matches Found (0)

Enter pattern and text to test

✨ Features

✓Real-time regex testing
✓Support for g, i, m flags
✓Highlight matches in text
✓Show captured groups
✓Error highlighting for invalid patterns