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Answers and rating deltas for
How can I specify optional characters for regular expression?
| Author | Votes | Δ |
|---|---|---|
| richardtallent | 3 | +1.84 |
| dlras2 | 2 | +2.81 |
| Mat | 1 | -1.09 |
| Kieren Johnstone | 1 | -0.52 |
| Jalal Said | 1 | -0.54 |
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