boost::urls::grammar::vchars

The set of visible characters

Synopsis

Declared in header <boost/url/grammar/vchars.hpp>

constexpr
implementation-defined vchars = {};

Description

Example

Character sets are used with rules and the functions find_if and find_if_not .

system::result< core::string_view > rv = parse( "JohnDoe", token_rule( vchars ) );

BNF

VCHAR       = 0x21-0x7E
            ; visible (printing) characters

Specification

B.1. Core Rules (rfc5234)

See Also

find_if , find_if_not , parse , token_rule .