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Answers and rating deltas for

How to define a re pattern that matches parenthesis in pair or no parenthesis but not single parenth

Author Votes Δ
MegaIng 1 +4.01
RomanPerekhrest 0 -0.33
kirkpatt 0 -1.39
Ajax1234 0 +0.00
Last visited: Dec 20, 2017, 9:47:35 PM