Edx Class 169.1x HW 1-1

Fun with strings

#!/usr/bin/env ruby

def palindrome?(str)
	str = str.downcase
	r = /[\W]/			#/\W/ - A non-word character ([^a-zA-Z0-9_])
	str = str.gsub(r,'')
	return str == str.reverse
end

def count_words(str)
	str = str.downcase
	r = /[\W]/
	str = str.gsub(r,' ')
	arr =str.split(' ')
	h = Hash.new
	arr.each {|item| h[item] = 0}
	arr.each {|item| h[item] += 1}
	h
end



test_str = "there goes the neighborhood"

if palindrome? test_str
  puts test_str + " is a palindrome!"
else
  puts test_str + " is NOT a palindrome!"
end


test_str = "Madam, I'm Adam"

if palindrome? test_str
  puts test_str + " is a palindrome!"
else
  puts test_str + " is NOT a palindrome!"
end