Boost.URL boost::urls::url_base::remove_scheme home boost::urls::url_base::remove_scheme Remove the scheme Synopsis Declared in header <boost/url/url_base.hpp> url_base& remove_scheme(); Description This function removes the scheme if it is present. Example assert( url("http://www.example.com/index.htm" ).remove_scheme().buffer() == "//www.example.com/index.htm" ); Postconditions this->has_scheme() == false && this->scheme_id() == scheme::none Complexity Linear in this->size(). Exception Safety Throws nothing. BNF URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ] Specification 3.1. Scheme (rfc3986) See Also set_scheme .