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  1. or download this
    my $dev = "c10t2d1";

my($c,$t,$d) = $dev =~ m/\d+/g;
print "$c  $t  $d";
#prints: 10  2  1
  2. or download this
    my $test = "10 1/0/6/0/0.1.20.0.0.2.1   c10t2d1   FA  ";
my ($ctd) = $test =~ m/(\w+)\s+FA\s*$/;
print $ctd;
#prints: c10t2d1