diff --git a/parser.rb b/parser.rb
index adaad3e..5936b12 100644
--- a/parser.rb
+++ b/parser.rb
@@ -1,3 +1,4 @@
 def word_in_string?(word, string)
-  # implement with your code here
+  string.match(/(?<=[-, _, \s])#{word}/) || string.match(/#{word}(?=[-, _, \s])/) ? :yes : :no
 end
+