ruby - word-count

ruby/word-count/word_count.rb

@@ -0,0 +1,14 @@
+class Phrase
+  def initialize(phrase)
+    @phrase = phrase
+  end
+
+  def word_count
+    counts = {}
+    @phrase.scan(/\w+(?:'\w)*/).each do |word|
+      word.downcase!
+      counts[word] = counts[word].to_i + 1
+    end
+    counts
+  end
+end