null on error. The returned string is normalized to all-lowercase, and interned via [glib.global.internString], so it does not need to be freed.
Uri.peekScheme
string peekScheme(string uri)Gets the scheme portion of a URI string.
RFC 3986 decodes the schemeas:
URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ] Common schemes include file, https, svn+ssh, etc.Unlike [glib.uri.Uri.parseScheme], the returned scheme is normalized to all-lowercase and does not need to be freed.
Parameters
uri | a valid URI. |
Returns
The ‘scheme’ component of the URI, or