The SqlInstanceNamePattern simple type is a string, in Configuration Manager 2007, that is restricted by the following pattern:

localhost|localhost\\[a-zA-Z0-9_\-]+|localhost\\\*

<xs:simpleType name="SqlInstanceNamePattern">
	<xs:restriction
		base="string"
	>
		<xs:pattern
			value="localhost|localhost\\[a-zA-Z0-9_\-]+|localhost\\\*"
		 />
	</xs:restriction>
</xs:simpleType>

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