alfresco-community-repo/source/test-resources/xforms/unit-tests/constraint-test.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified">
  <xs:element name="constraint-test">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="zip-pattern">
          <xs:simpleType>
            <xs:restriction base="xs:normalizedString">
              <xs:maxLength value="5"/> 
              <xs:pattern value="[0-9][0-9][0-9][0-9][0-9]"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:element>
        <xs:element name="repeated-zip-pattern" minOccurs="2" maxOccurs="5">
          <xs:simpleType>
            <xs:restriction base="xs:normalizedString">
              <xs:maxLength value="5"/> 
              <xs:pattern value="[0-9][0-9][0-9][0-9][0-9]"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:element>
        <xs:element name="email-pattern">
          <xs:simpleType>
            <xs:restriction base="xs:normalizedString">
              <xs:maxLength value="256"/>
              <xs:pattern value="[A-Za-z0-9._]+@[A-Za-z0-9.\-]+\.[A-Za-z]{2,4}"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>