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Answers and rating deltas for

Regex with optional part doesn't create backreference

Author Votes Δ
David Gladfelter 3 +4.91
Toby 2 +2.81
Antal Spector-Zabusky 1 -1.46
user3891 1 -0.41
polygenelubricants 0 -0.69
Last visited: Sep 14, 2014, 5:07:29 AM