validation pattern for allowing non-empty string in xml file
I was trying to validate a xml file using xsd wherein a node value should be non-empty. Means there should be atleast one non-whitespace character into that. After lots of googling, I finally wrote up a small pattern to validate that. Here is the fragment.
Define a new type derived from string type and apply the pattern constraint.
<!-- Non-empty string -->
<xs:simpleType name="NonEmptyString">
<xs:restriction base="xs:string">
<xs:minLength value="1" />
<xs:pattern value=".*[^\s].*" />
</xs:restriction>
</xs:simpleType>
Now use the new type "NonEmptyString" for all the nodes you want to enforce non-empty constraint.
<
xs:element name="Name" type="NonEmptyString" />
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