Here's the particular XML tag whose validation is failing:
<MiddleName>A</MiddleName>
The XSD for that tag:
<xsd:element name="MiddleName" type="MiddleInitial" />
<xsd:simpleType name="MiddleInitial">
<xsd:restriction base="xsd:string">
<xsd:pattern value="^[A-Za-z]?$" />
</xsd:restriction>
</xsd:simpleType>
The error I'm getting:
cvc-pattern-valid: Value 'A' is not facet-valid with respect to pattern '^[A-Za-z]?$' for type 'MiddleInitial'.
The validator I'm using:
http://tools.decisionsoft.com/schemaValidate/
The regular expression looks good. ^ matches the start, $, the end, ? is for zero or one times the letters A-Z or a-z.
Any ideas?
From the w3 spec Regular Expressions (Appendix D):
...expressions are matched against entire lexical representations rather than user-scoped lexical representations such as line and paragraph. For this reason, the expression language does not contain the metacharacters ^ and $, although ^ is used to express exception, e.g. [^0-9]x
I.e. take out the ^
and $
.
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