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Answers and rating deltas for

In Perl, how can I tell if a string is a number?

Author Votes Δ
dlowe 17 +3.86
cobbal 15 +0.55
Brad Gilbert 3 -0.29
mehmet el kasid 3 -1.12
wes -1 -4.08
Last visited: Sep 14, 2014, 5:07:29 AM