use split, see Re: a perl, awstats and SHOUTCast history, csvpaste.pl, perlintro, Text::CSV/Text::xSV, site:perlmonks.org Text::CSV

 #!/usr/bin/perl --
use strict; use warnings;
use Data::Dump qw/ dd /;
open my($in),'<',\'gs01.pri1.casino.sbo dns:192.168.101.21,icmp,http:3
+02,https:200,tcp:80,tcp:443,wget';
while(<$in>){
#~ "\$hostname" => 'gso1.pri1.casino.sbo',
#~ "\$dns"      => 'dns:192.168.101.21',
#~ "\$icmp"     => 'icmp',
#~ "\$http"     => 'http:302',
#~ "\$https"    => 'https:200',
#~ "\$tcp1"     => 'tcp:80',
#~ "\$tcp2"     => 'tcp:443',
#~ "\$wget"     => 'wget'
    {
        my( $hostname, $rest ) = split ' ', $_, 2;
        my( $dns, $icmp, $http, $https, $tcp1, $tcp2, $wget ) = split 
+',', $rest;
        dd [ $hostname, $dns, $icmp, $http, $https, $tcp1, $tcp2, $wge
+t ] ;
    }
    {
        my( $hostnamedns, $icmp, $http, $https, $tcp1, $tcp2, $wget ) 
+ = split ',', $_;
        my( $hostname, $dns ) = split ' ', $hostnamedns, 2;
        dd [ $hostname, $dns, $icmp, $http, $https, $tcp1, $tcp2, $wge
+t ] ;
    }
}
__END__
[
  "gs01.pri1.casino.sbo",
  "dns:192.168.101.21",
  "icmp",
  "http:302",
  "https:200",
  "tcp:80",
  "tcp:443",
  "wget",
]
[
  "gs01.pri1.casino.sbo",
  "dns:192.168.101.21",
  "icmp",
  "http:302",
  "https:200",
  "tcp:80",
  "tcp:443",
  "wget",
]
[download]