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Answers and rating deltas for

What does the "?:^" regular expression mean?

Author Votes Δ
Tomalak 19 +0.83
Daniel LeCheminant 18 +1.95
Eli 3 +0.58
Trampas Kirk 3 +0.31
vartec 2 -0.13
Quintin Robinson 1 -0.90
Last visited: Sep 14, 2014, 5:07:29 AM