StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Regex 2 groups of characters with question mark quantifier, one of them has to be used
| Author | Votes | Δ |
|---|---|---|
| kabb | 1 | +3.96 |
| Jake Heidt | -1 | -3.96 |
Last visited: Sep 14, 2014, 5:07:29 AM