monkeypatch String class for palindrome detection, strip spaces

string-palindrome.rb

class String
  def palindrome?
  junk = [",", "?", "!", ".", "'", '"', " ", "@", "#", "$", "%", "^", "&", "*"]
  a = self.split("")
  a.delete_if { |x| junk.include?(x) }
  a.join.downcase == a.join.reverse.downcase
  end
end

word-palindrome.rb

# Doing this in a inherited class which is the Proper Grown Up Way to do it.
class Word < String 
  def palindrome?
  junk = [",", "?", "!", ".", "'", '"', " ", "@", "#", "$", "%", "^", "&", "*"]
  a = self.split("")
  a.delete_if { |x| junk.include?(x) }
  a.join.downcase == a.join.reverse.downcase
  end
end