c:\@Work\Perl\monks>perl -wMstrict -MData::Dump -le
"my $tim = '10:00:10.004';
 ;;
 my @outputlist = split '[:.]', $tim;
 dd \@outputlist;
 ;;
 my $p = 10;
 @outputlist = split $p, $tim;
 dd \@outputlist;
"
[10, "00", 10, "004"]

["", ":00:", ".004"]