StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

In Perl, how can I tell if a string is a number, but without using modules?

Author Votes Δ
Leon 1 +0.25
gugod 1 -0.25
Last visited: Dec 22, 2019, 3:27:20 AM