NAME
Sisimai::RFC1123 - Internet hostname related class
SYNOPSIS
use Sisimai::RFC1123;
print Sisimai::RFC1123->is_internethost("mx2.example.jp"); # 1
print Sisimai::RFC1123->is_internethost("localhost"); # 0DESCRIPTION
Sisimai::RFC1123 is a class related to the Internet hosts
CLASS METHODS
is_internethost(String)
is_internethost() method returns true when the argument is a valid hostname
print Sisimai::RFC1123->is_internethost("mx2.example.jp"); # 1
print Sisimai::RFC1123->is_internethost("localhost"); # 0is_domainliteral(String)
is_domainliteral() method returns true when the domain part of the argument begins with "[IPv4:" or "[IPv6:" and is a valid domain literal.
print Sisimai::RFC1123->is_domainliteral("neko@[IPv4:192.0.2.1]); # 1
print Sisimai::RFC1123->is_domainliteral("neko@[192.0.2.1]); # 0AUTHOR
azumakuniyuki
COPYRIGHT
Copyright (C) 2024,2025 azumakuniyuki, All rights reserved.
LICENSE
This software is distributed under The BSD 2-Clause License.