Module: DandradePalindrome

Included in:
Integer, String
Defined in:
lib/dandrade_palindrome.rb,
lib/dandrade_palindrome/version.rb

Constant Summary collapse

VERSION = 
"0.1.1"

Instance Method Summary collapse

Instance Method Details

#letters ⇒ Object

Returns the letters in the strring.



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# File 'lib/dandrade_palindrome.rb', line 16

def letters
  # the_letters = []
  letter_regex = /[a-z]/i
  # for i in 0..self.length - 1
  #   character = self[i]
  #   if (character.match(letter_regex))
  #     the_letters << character
  #   end
  # end

  # self.chars.each do |character|
  #   if character.match(letter_regex)
  #     the_letters << character
  #   end
  # end
  # the_letters.join

  # self.chars.select { |c| c.match letter_regex }.join

  # self.chars.map{ |c| c.match /[a-zA-Z]/ }.join

  self.scan(letter_regex).join
end

#palindrome? ⇒ Boolean

Returns true for a palindrome, false otherwise.



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# File 'lib/dandrade_palindrome.rb', line 7

def palindrome?
  if processed_content.empty?
    false
  else
    processed_content == processed_content.reverse
  end
end