Regex Tester
Test regular expressions in a bounded Worker with match and group highlights.
regex.egytag.comFree tool
Use the real controls; nothing submits automatically.
Regex Tester
Enter data and run the tool. Processing stays in your browser.
All inputs are processed locally and are not uploaded to Egytag.
Inputs are processed in your browser and not uploaded for execution.
How to use this tool
- Enter a regular expression and flags, then provide the sample text.
- Inspect each match, its offset and capture groups as you refine the pattern.
Important limitations
Expensive patterns time out and the display is limited to the first 250 matches.