diff --git a/palindromes/palindromes.js b/palindromes/palindromes.js
index 19b6aa8..0023222 100644
--- a/palindromes/palindromes.js
+++ b/palindromes/palindromes.js
@@ -1,5 +1,5 @@
 const palindromes = function(string) {
-  processedString = string.toLowerCase().replace(/[^A-Za-z]/g, "");
+  processedString = string.toLowerCase().replace(/[^a-z]/g, "");
   return (
     processedString
       .split("")