diff --git a/api/js/etemplate/et2_widget_url.js b/api/js/etemplate/et2_widget_url.js
index c92cf3c6d1..c3f8af35fd 100644
--- a/api/js/etemplate/et2_widget_url.js
+++ b/api/js/etemplate/et2_widget_url.js
@@ -48,7 +48,7 @@ var et2_url = (function(){ "use strict"; return et2_textbox.extend(
 	 *
 	 * Same preg is in Etemplate\Widget\Url PHP class!
 	 */
-	EMAIL_PREG: new RegExp(/^(([^\042',<][^,<]+|\042[^\042]+\042|\'[^\']+\'|)\s?<)?[^\x00-\x20()<>@,;:\042\[\]\x80-\xff]+@([a-z0-9ÄÖÜäöüß](|[a-z0-9ÄÖÜäöüß_-]*[a-z0-9ÄÖÜäöüß])\.)+[a-z]{2,}>?$/i),
+	EMAIL_PREG: new RegExp(/^(([^\042',<][^,<]+|\042[^\042]+\042|\'[^\']+\'|"(?:[^"\\]|\\.)*")\s?<)?[^\x00-\x20()<>@,;:\042\[\]\x80-\xff]+@([a-z0-9ÄÖÜäöüß](|[a-z0-9ÄÖÜäöüß_-]*[a-z0-9ÄÖÜäöüß])\.)+[a-z]{2,}>?$/i),
 	/**
 	 * @memberOf et2_url
 	 */