+ def _og_regexes(prop):
+ content_re = r'content=(?:"([^>]+?)"|\'(.+?)\')'
+ property_re = r'property=[\'"]og:%s[\'"]' % re.escape(prop)
+ template = r'<meta[^>]+?%s[^>]+?%s'
+ return [
+ template % (property_re, content_re),
+ template % (content_re, property_re),
+ ]