module::method( {option1=>value, option2=>somevalue });

##</code><code>##

my %options;
$options{lowercasetags}=0;
HTML-clean::strip( \%options );

##</code><code>##

my $handle = new HTML-clean(...);
my %options;
$option{lowercasetags}=0;
$handle->strip( \%options );