description = self._search_regex(
r'<p[^>]+itemprop="description">([^<]+)</p>',
webpage, 'description', default=None) or self._og_search_description(webpage)
timestamp = parse_iso8601(
self._search_regex(
r'<span[^>]+itemprop="(?:datePublished|uploadDate)"[^>]+content="([^"]+)"',
description = self._search_regex(
r'<p[^>]+itemprop="description">([^<]+)</p>',
webpage, 'description', default=None) or self._og_search_description(webpage)
timestamp = parse_iso8601(
self._search_regex(
r'<span[^>]+itemprop="(?:datePublished|uploadDate)"[^>]+content="([^"]+)"',