boost::urls::grammar::vchars

The set of visible characters

Synopsis

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

constexpr /* implementation-defined */ vchars = {};

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