Function isCommonInternetSchema
Determines whether an URL schema is double-slash based.
bool isCommonInternetSchema
(
string schema
) nothrow @nogc @safe;
Double slash based schemas are of the form schema://[host]/<path>
and are parsed differently compared to generic schemas, which are simply
parsed as schema:<path>.
Built-in recognized double-slash schemas: ftp, http, https, http+unix, https+unix, spdy, sftp, ws, wss, file, redis, tcp, rtsp, rtsps
See also
registerCommonInternetSchema, RFC 1738 Section 3.1