Class: String

Inherits:

Object

Object
String

show all

Defined in:: lib/drjprogramming_palindrome.rb

Instance Method Summary collapse

#letters ⇒ Object

Returns the letters in the string.
#palindrome? ⇒ Boolean

Returns true for a palindrome, false otherwise.

Instance Method Details

#letters ⇒ `Object`

Returns the letters in the string.



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# File 'lib/drjprogramming_palindrome.rb', line 13

def letters
  self.chars.select { |c| c.match(/[a-z]/i) }.join
end

#palindrome? ⇒ `Boolean`

Returns true for a palindrome, false otherwise.

Returns:

(Boolean)



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# File 'lib/drjprogramming_palindrome.rb', line 8

def palindrome?
  processed_content == processed_content.reverse
end