regular expression pattern matching in XML schema

[Susheel]

Hi,

I have an element "<foo>" with an attribute "name". The name invariably starts with a prefix ADD_. So all names look like ADD_integers or ADD_floats etc.

I am trying to put a pattern check for this attribute in the XML schema to ensure that the name starts with ADD_.

Can I do this in the schema? If yes,What would be the pattern value for this?

Thanks,
Susheel

[george]

Hi,

The following schema should be close to what you want:

Code: Select all

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

    <xs:element name="foo">

        <xs:complexType>

            <xs:attribute name="name">

                <xs:simpleType>

                    <xs:restriction base="xs:string">

                        <xs:pattern value="ADD_.+"/>

                    </xs:restriction>

                </xs:simpleType>

            </xs:attribute>

        </xs:complexType>

    </xs:element>

</xs:schema>

See http://www.w3.org/TR/xmlschema-2/#rf-pattern for more information about pattern constraints in XML Schema.

Best Regards,
George