Patterns and Decimal

Hi,

When I use the patterns bellow the third pattern is ignored. Can somebody tell me  why?

Thank you

daniella

   <xsd:simpleType>
   <xsd:restriction base = "xsd:decimal">
    <xsd:totalDigits value = "11"/>
    <xsd:fractionDigits value = "3"/>    
    <xsd:pattern value = "[0-9][.][0-9]*"/> 
    <xsd:pattern value = "[1-9][0-9]*[.][0-9]*"/>
    <xsd:pattern value = "[1-9][0-9]*"/>
   </xsd:restriction>
  </xsd:simpleType>




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