simpleType  MaskedPANType  
version V3_2
namespace http://www.wipo.int/standards/XMLSchema/ST96/Common
type restriction of xsd:string 
used by
element     com:MaskedPAN 
source <xsd:simpleType  name="MaskedPANType">
<xsd:restriction  base="xsd:string">
<xsd:pattern  value="[/*/]*[0-9]{4}">
</xsd:pattern>
</xsd:restriction>
</xsd:simpleType>