Regex Tester
Regex tester helps you get fast, accurate results without fuss. Test patterns with flags and preview replacements safely. Use sample text to validate before running on real data. Handy for quick edits and learning. Use it in your browser and keep moving—no clutter, no confusion.
Matches: 0
Frequently Asked Questions
- What do flags mean?
- /i case‑insensitive, /g global, /m multiline, etc.
- How do I avoid catastrophic matches?
- Test on small samples before running on production data.
- Can I copy the result?
- Yes—use the copy button or select all and copy.
- Can I copy the result?
- Yes—use the copy button or select all and copy.
- Can I copy the result?
- Yes—use the copy button or select all and copy.