foreach my $email (@split_msg)
{
   my ($title, $tags, $msg);

   $email =~ m/\[title\](.+)\[title\]/i;
   $title = $1;

   # match in single line mode
   $email =~ m/\[message\](.*)\[message\]/is;
   $msg = $1; # match is again in $1

   print "TITLE:$title\nMESSAGE:$msg\n";
}