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

Synopsis

Declared in <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

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