class String
Public Instance Methods
letters()
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# File lib/eclectic_palindrome.rb, line 10 def letters chars.select { |c| c.match(/[a-z]/i) }.join end
palindrome?()
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Return true for a palindrome, false otherwise
# File lib/eclectic_palindrome.rb, line 6 def palindrome? processed_content == processed_content.reverse end
Private Instance Methods
processed_content()
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Returns content for palidrome testing.
# File lib/eclectic_palindrome.rb, line 17 def processed_content scan(/[a-z]/i).join.downcase end