@ -898,6 +898,9 @@ class YoutubeDL(object):
STR_OPERATORS = {
'=': operator.eq,
'!=': operator.ne,
'^=': lambda attr, value: attr.startswith(value),
'$=': lambda attr, value: attr.endswith(value),
'*=': lambda attr, value: value in attr,
}
str_operator_rex = re.compile(r'''(?x)
\s*(?P<key>ext|acodec|vcodec|container|protocol)