boost::urls::grammar::digit_chars

The set of decimal digits

Synopsis

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

constexpr
implementation-defined digit_chars = {};

Description

Example

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

system::result< core::string_view > rv = parse( "2022", token_rule( digit_chars ) );

BNF

DIGIT       = %x30-39
            ; 0-9

Specification

B.1. Core Rules (rfc5234)

See Also

find_if , find_if_not , parse , token_rule .