#!./perl

$foo = <<EOF;
Subject: foobar
From: baz
EOF

$* = 1;

$pat = '^([*+&!]*)(Subject:)';
#$pat =~ s/([a-zA-Z])/[\u$1\l$1]/g;
#print $pat;

$foo =~ /$pat/ig;

print $', "\n";