<?xml version="1.0"?>
<powder xmlns="http://www.w3.org/2007/05/powder#" 
        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
        xmlns:ex="http://example.org/vocab#">

  <attribution>
    <maker src="http://authority.example.org/foaf.rdf#me" />
    <issued>2007-12-14T00:00:00</issued>
  </attribution>

  <dr>
    <iriset>
      <includeregex>\:\/\/([^\:\/\?\#\@]+\.)?(example\.com|example\.org)(\:([0-9]+))?\/</includeregex>
      <includeregex>\:\/\/([^\:\/\?\#\@]+\.)*[^\:\/\?\#\@]+\:(80|8080|8081|8082)\/</includeregex>
    </iriset>

    <descriptorset>
      <ex:colour rdf:resource="http://example.org/vocab#red"/>
      <ex:shape>square</ex:shape>
    </descriptorset>
  </dr>

</powder>