diff --git a/DIRECTORY.md b/DIRECTORY.md
index d2de0c31e..2ea882364 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -269,6 +269,7 @@
   * [WiggleSort](https://github.com/TheAlgorithms/Javascript/blob/master/Sorts/WiggleSort.js)
 
 ## String
+  * [AlphaNumericPalindrome](https://github.com/TheAlgorithms/Javascript/blob/master/String/AlphaNumericPalindrome.js)
   * [AlternativeStringArrange](https://github.com/TheAlgorithms/Javascript/blob/master/String/AlternativeStringArrange.js)
   * [CheckAnagram](https://github.com/TheAlgorithms/Javascript/blob/master/String/CheckAnagram.js)
   * [CheckCamelCase](https://github.com/TheAlgorithms/Javascript/blob/master/String/CheckCamelCase.js)