diff --git a/lib/language_filter.rb b/lib/language_filter.rb
index e48b1d5..414ccf5 100644
--- a/lib/language_filter.rb
+++ b/lib/language_filter.rb
@@ -277,7 +277,7 @@ def end_regex
       if @creative_letters then
         CREATIVE_END_REGEX
       else
-        '\\b'
+        '(?=\b|\s|$)'
       end
     end
   end