StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    how does using a negated character class work internally (without backtracking)?
| Author | Votes | Δ | 
|---|---|---|
| Casimir et Hippolyte | 3 | +1.90 | 
| zx81 | 1 | +1.05 | 
| leonbloy | 0 | -1.06 | 
| hobbs | 0 | -1.89 | 
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