boost::urls::url::normalize_scheme boost::urls::url::normalize_scheme Normalize the URL scheme Synopsis Declared in header <boost/url/url.hpp> url& normalize_scheme(); Description Applies Syntax-based normalization to the URL scheme. The scheme is normalized to lowercase. Exception Safety Strong guarantee. Calls to allocate may throw. Specification 6.2.2 Syntax-Based Normalization (rfc3986)