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

Synopsis

Declared in header </boost/url/scheme.hpp#L141[boost/url/scheme.hpp,window=blank_]>

scheme
string_to_scheme(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

  • scheme

Parameters

Name Type

s

string_view