Have a look at
perldoc perlre.
#!/usr/bin/perl
my($filename)="11-22-2001012004";
my($x,$z,$y,$m,$d,$h)=
($filename=~/(\d\d)-(\d\d)-(\d\d\d\d)(\d\d)(\d\d)(\d\d)/);
printf "[%s] [%s] [%s] [%s] [%s] [%s]\n",
$x,$z,$y,$m,$d,$h;
Produces:
[11] [22] [2001] [01] [20] [04]
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