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Answers and rating deltas for

Is there a case where "[^xy]" is not equal to "(?!x|y)."?

Author Votes Δ
Dogbert 9 +1.66
Bergi 5 +1.16
JDB 4 +0.73
Ro Yo Mi 0 -1.11
Martin Ender 0 -2.07
Last visited: Sep 14, 2014, 5:07:29 AM