# is it an ip address?
sub is_ipaddr
{
- return $_[0] =~ /^\d+\.\d+\.\d+\.\d+$/ || $_[0] =~ /^(?:[\da-f]{1,4}:|:)(?:\:[0-9a-f]{1,4}){1,6}/i;
+ return $_[0] =~ /^(?:(?:\:\:)?\d+\.\d+\.\d+\.\d+)|(?:[0-9a-f]{1,4}\:)?(?:\:[0-9a-f]{1,4}){1,6}$/i;
}
# is it a zulu time hhmmZ