diff --git a/parser.rb b/parser.rb
index adaad3e..316e68d 100644
--- a/parser.rb
+++ b/parser.rb
@@ -1,3 +1,5 @@
 def word_in_string?(word, string)
-  # implement with your code here
+  words = string.split(/[\s_\-.]/)
+  found = words.find { |w| w == word }
+  found ? :yes : :no
 end