Julian Mehnle > Courier-Filter > Courier::Filter::Util

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courier-filter/Courier-Filter-v0.200.tar.gz

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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>

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