-            xml_link, u'video ID')
-
-        xml_config = self._download_webpage(
-            xml_link, title, u'Downloading XML config')
-        config = xml.etree.ElementTree.fromstring(xml_config.encode('utf-8'))
-        info_json = self._search_regex(
-            r'(?sm)<format\.json>(.*?)</format\.json>',
-            xml_config, u'JSON information')
+            xml_link, 'video ID')
+
+        config = self._download_xml(
+            xml_link, title, 'Downloading XML config')
+        info_json = config.find('format.json').text