@ -905,7 +905,7 @@ class YoutubeDL(object):
'*=': lambda attr, value: value in attr,
}
str_operator_rex = re.compile(r'''(?x)
\s*(?P<key>ext|acodec|vcodec|container|protocol)
\s*(?P<key>ext|acodec|vcodec|container|protocol|format_id)
\s*(?P<op>%s)(?P<none_inclusive>\s*\?)?
\s*(?P<value>[a-zA-Z0-9._-]+)
\s*$