Regex Roulette · #53 · 2026-05-27
Match strings with no digits
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
- hello — not yet evaluated
- world — not yet evaluated
- no-numbers — not yet evaluated
- test! — not yet evaluated
Must not match
- abc1 — not yet evaluated
- h3llo — not yet evaluated
- 123 — not yet evaluated
- test2me — 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