How to Use the Regex Tester

Regular expressions are powerful but can be difficult to get right. Our Regex Tester makes it easy.

Step 1: Enter your Pattern

Type your regex pattern into the top input field. You can include flags like g (global), i (case-insensitive), and m (multiline).

Step 2: Provide Test String

Paste the text you want to test against in the large text area.

Step 3: Analyze Matches

The tool will highlight all matches in real-time. You can see the number of matches and inspect individual capture groups.

Step 4: Refine

Adjust your pattern and see the highlights update instantly until you get the desired result.