use XML::Rules;
my $parser = XML::Rules->new(
  style => 'filter',
  rules => {
	Resource => sub {},
  }
);

$parser->filter(\*DATA);

__DATA__
<root>
 <b>dgfdg</b>
 <Resource>delete</Resource>
 <c>ffgdfg<Resource>ddd</Resource>ddddd</c>
</root>