Regex Roulette · #60 · 2026-06-03
Match strings starting with http:// or https://
Difficulty 1/3
How to play
Write a regex that matches all green strings and rejects all red strings. Live feedback shows which strings pass. Shorter patterns score better.
Must match
- http://example.com — not yet evaluated
- https://test.org — not yet evaluated
- https://a.b — not yet evaluated
Must not match
- ftp://files.com — not yet evaluated
- http:/missing — not yet evaluated
- htp://typo.com — not yet evaluated
- example.com — not yet evaluated
Loading your progress...
Pattern body only — slashes and flags (e.g. /g, /i) aren't part of the input.
0/200 chars
Type a regex that matches all green strings and rejects all red strings · Back to hub