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

Author: Stanislav Idolov

lib/web/mage/utils/misc.js

@@ -271,7 +271,7 @@ 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;