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Answers and rating deltas for

How could I check to see if a word exists in a string, and return false if it doesn't, in ruby?

Author Votes Δ
Konrad Rudolph 11 +0.46
Jakob W 2 +2.50
the Tin Man 1 -0.27
Ant 1 -0.45
Ortiga 0 -3.57
Last visited: Sep 14, 2014, 5:07:29 AM