ENGCOM-1270: Fix: Datepicker problem when using non en-US locale. #14627

 - Merge Pull Request #14627 from tao-s/magento2:patch-1
 - Merged commits:
   1. 85c2deb

Author: magento-engcom-team

lib/web/mage/utils/misc.js

@@ -251,7 +251,7 @@ define([
         convertToMomentFormat: function (format) {
             var newFormat;
 
-            newFormat = format.replace(/yy|y/gi, 'YYYY'); // replace the year
+            newFormat = format.replace(/yyyy|yy|y/, 'YYYY'); // replace the year
             newFormat = newFormat.replace(/dd|d/g, 'DD'); // replace the date
 
             return newFormat;