Why does this work:

foreach my $item ($name,$nerd,$noodle,$froodle,) {
$item =~ s/$i_seek/ /g;
}
[download]

But this not?

my @look_for = ($name,$nerd,$noodle,$froodle,);
foreach my $item (@look_for) {
$item =~ s/$i_seek/ /g;
[download]

It's all very confusing!!