Card Number Validation in Ruby in Chars Play Hole
1st in Ruby and 19th overall.
Last tested .
Runtime of .
| Bytes | Chars | Submitted | 
|---|---|---|
| 51 | 51 | |
| 52 | 52 | |
| 109 | 53 | |
| 54 | 54 | 
The Minesweeper hole will go live in approximately . Why not try and solve it ahead of time?
⛳
69 / 121 Holes
🔣
3 / 61 Langs
🏆
30 / 91 Cheevos
📅
1st in Ruby and 19th overall.
Last tested .
Runtime of .
| Bytes | Chars | Submitted | 
|---|---|---|
| 51 | 51 | |
| 52 | 52 | |
| 109 | 53 | |
| 54 | 54 |