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By: a guest on Aug 6th, 2012  |  syntax: None  |  size: 0.15 KB  |  hits: 11  |  expires: Never
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  1. simple ruby reg ex for matching only one of three single characters
  2. [1] pry(main)> "a" =~ /^[a-c]$/
  3. => 0
  4. [2] pry(main)> "ac" =~ /^[a-c]$/
  5. => nil
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