RegEx Tester

Test regular expressions and view match results. Regular expressions are powerful string search tools for defining text patterns, essential for data validation, text parsing, and string replacement. View pattern matching results in real-time with highlighting, making it highly effective for debugging and optimizing complex regular expressions.

1. Enter the regular expression to test in the pattern field
2. Specify options in the flags field
3. Enter the text to validate in the test string area
4. Click "Test" to view match results and highlighting
5. Use the "Try sample" button to see a regular expression example first