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Answers and rating deltas for

How do I find and replace a duplicate number in a string and keep one of the duplicate numbers?

Author Votes Δ
Enigmativity 1 +0.80
Rob 0 +0.31
Slai 0 -0.34
Gewure -1 -3.99
Last visited: Dec 2, 2016, 3:25:10 PM