StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
In regular expression, how to match a string with optional string
| Author | Votes | Δ |
|---|---|---|
| rock321987 | 4 | +1.80 |
| Andrew | 1 | -1.80 |
Last visited: Sep 20, 2016, 2:42:35 PM