my $target = 'this is a test of the servise';
$target =~ s//are/;
print "$target\n";

##</code><code>##

if ($target =~ /test/) {
    $target =~ s//quiz/;
}

##</code><code>##

my $target = 'this is a test of the servise';

if ($target =~ /test/) {
    $target =~ s//test2/;
}

if ($target =~ /nothing/) {
    $target = s//null/;
} else {
    $target =~ s//foo/;
}