debian man page for courier::filter::util

Courier::Filter::Util(3pm)				User Contributed Perl Documentation				Courier::Filter::Util(3pm)

NAME
       Courier::Filter::Util - Utility class used by the Courier::Filter framework

SYNOPSIS
	   use Courier::Filter::Util qw(
	       ipv4_address_pattern
	       ipv6_address_pattern
	       loopback_address_pattern
	   );

	   $message->remote_host =~ / ^ (?: ::ffff: )? $(ipv4_address_pattern} $ /x;
	   $message->remote_host =~ / ^ $(ipv6_address_pattern} $ /x;
	   $message->remote_host =~ / ^ ${loopback_address_pattern} $ /x;

DESCRIPTION
       Courier::Filter::Util is Courier::Filter's utility class.

   Constants
       The following constants are provided:

       ipv4_address_pattern
	   A regular expression matching an IPv4 address in "dotted decimal" notation.

       ipv6_address_pattern
	   A regular expression matching an IPv6 address in full RFC 4291 syntax.

       loopback_address_pattern
	   A regular expression matching an IPv4 or IPv6 loopback address ("127.n.n.n", "::ffff:127.n.n.n.n", "::1").

SEE ALSO
       Courier::Filter.

       For AVAILABILITY, SUPPORT, and LICENSE information, see Courier::Filter::Overview.

AUTHOR
       Julian Mehnle <julian@mehnle.net>

perl v5.14.2							    2011-12-27						Courier::Filter::Util(3pm)