Return the known scheme for a non-normalized string, if known

Synopsis

Declared in header <boost/url/scheme.hpp>

scheme
string_to_scheme(core::string_view s) noexcept;

Description

If the string does not identify a known scheme, the value scheme::unknown is returned.

BNF

scheme      = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )

Specification

Return Value

The known scheme

Parameters

Name Description

s

The string holding the scheme