regex101.com
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-05-15 |
| Last crawled | 2026-06-15 |
| IPv4 | 78.47.220.195 |
| IPv6 | 2a01:4f8:1c1c:13a4::1 |
| Network | AS24940 Hetzner Online GmbH · Germany |
| CNAME | regex101.com |
| Mail (MX) | smtp.google.com. |
| Language | en |
| Server | nginx |