UrnAgencyPart

This restricts the prefix and classes patterns to validate the agency part of the URN (=<agency_id>.

<xs:simpleType xmlns:xs="http://www.w3.org/2001/XMLSchema" name="UrnAgencyPart">
  <xs:annotation>
   <xs:documentation>This restricts the prefix and classes patterns to validate the agency part of the URN (=&lt;agency_id&gt;:).</xs:documentation>
  </xs:annotation>
  <xs:restriction base="UrnClassesPart">
   <xs:pattern value=".+=([A-Za-z][A-Za-z0-9_\-]*(\.[A-Za-z][A-Za-z0-9_\-]*)*):[^:]+" />
  </xs:restriction>
 </xs:simpleType>

owl:withRestrictions (
    [ xsd:pattern ".+=([A-Za-z][A-Za-z0-9_
-]*(
.[A-Za-z][A-Za-z0-9_
-]*)*):[^:]+" ]
)