How to Use

1. Enter your regular expression in the "Regular Expression" field
2. Select the appropriate flags (g, i, m, etc.)
3. Enter or paste the text you want to test in the "Test String" field
4. View highlighted matches in the results area
5. Check the "Match Details" tab for specific information about each match
6. Use the "Common Patterns" tab for pre-defined regex patterns
7. Refer to the "Help" tab for a quick regex reference