codecrewnyc2.rb

class String
  def word_count
    self.split(" ").length
  end
  def char_count
    self.chars.to_a.length
  end
  def contains(word)
    self.gsub(/[^\w]/, " ").split(" ").count(word)
  end
end

sentence = "I really, really, really love it when my dog licks my cat."
puts sentence.word_count
puts sentence.char_count
puts sentence.contains("really")
puts sentence.contains("dog")
puts sentence.contains("codecrew")

http://blog.codecrewny.org/post/43399030283/code-crew-code-challenge-2