[ http://issues.apache.org/jira/browse/XERCESC-1549?page=all ]
Michel van Uunen updated XERCESC-1549:
--------------------------------------
Attachment: sample.xml
> Regular expressions with OR not validated correctly
> ---------------------------------------------------
>
> Key: XERCESC-1549
> URL: http://issues.apache.org/jira/browse/XERCESC-1549
> Project: Xerces-C++
> Type: Bug
> Components: Validating Parser (Schema) (Xerces 1.5 or up only)
> Versions: 2.7.0
> Environment: win32, AIX
> Reporter: Michel van Uunen
> Priority: Critical
> Attachments: sample.xml, sample.xsd
>
> Since Xerces version 2.7.0 '|' combined regular expressions in XSD schema
> patterns are not handled correctly:
> E.g.
> Consider the following (simplified) schema pattern:
> <xs:element name="Elem">
> <xs:simpleType>
> <xs:restriction base="xs:string">
> <xs:pattern value="[A-Z]{2}|[A-Z]{3}"/>
> </xs:restriction>
> </xs:simpleType>
> </xs:element>
> <Elem>AA</Elem> --> valid
> <Elem>AAA</Elem> --> Datatype error: Type:InvalidDatatypeValueException,
> Message:Value 'AAA' does not match regular expression facet
> '[A-Z]{2}|[A-Z]{3}'.
> Only the first pattern seems to be validated. In Xerces 2.6.0 both
> expressions were handled correctly.
> We are in the process of migrating to Xerces 2.7.0/Xalan 1.10.0, but this
> regression problem seems to be blocking for migration.
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