boost::urls::grammar::dec_octet_rule

Match a decimal octet

Synopsis

Declared in <boost/url/grammar/dec_octet_rule.hpp>
constexpr /* implementation-defined */ dec_octet_rule = {};

Description

A decimal octet is precise way of saying a number from 0 to 255. These are commonly used in IPv4 addresses.

Value Type

using value_type = unsigned char;

Example

Rules are used with the function parse.

system::result< unsigned char > rv = parse( "255", dec_octet_rule );

BNF

dec-octet = DIGIT ; 0-9 / %x31-39 DIGIT ; 10-99 / "1" 2DIGIT ; 100-199 / "2" %x30-34 DIGIT ; 200-249 / "25" %x30-35 ; 250-255

Specification

See Also

parse.

Created with MrDocs