diff --git a/app/code/Magento/Ui/view/base/web/js/lib/validation/rules.js b/app/code/Magento/Ui/view/base/web/js/lib/validation/rules.js
index 76b00f56e780c..01a1575541408 100644
--- a/app/code/Magento/Ui/view/base/web/js/lib/validation/rules.js
+++ b/app/code/Magento/Ui/view/base/web/js/lib/validation/rules.js
@@ -360,7 +360,7 @@ define([
         ],
         'pattern': [
             function (value, param) {
-                return param.test(value);
+                return new RegExp(param).test(value);
             },
             $.mage.__('Invalid format.')
         ],