Hi I have created a schema to check for email id. which can validate if the email id is [email protected] and [email protected] and [email protected] But i want to validate only [email protected] and [email protected] because i think email can have maximum 2 dots after @ symbol so the third one will be invalid email id So how to validate an email id using schema Below is the schema
<xsd:element name="SSEM" minOccurs="0">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="CNT" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="EM" minOccurs="1" nillable="true" type ="singleEmailID"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
Thanks Sunil Kumar Sahoo
You can validate your XML documents against XML schemas only; validation against DTDs is not supported.
[a-zA-Z0-9+_. -] matches one character from the English alphabet (both cases), digits, “+”, “_”, “.” and, “-” before the @ symbol. + indicates the repetition of the above-mentioned set of characters one or more times. @ matches itself.
You will need to define a pattern to match against valid e-mails. Patterns are defined using regular expression syntax. Once you have defined a simple type (based on xs:string
) with the appropriate pattern, you can use that for your e-mail type.
There are several places on the Internet that provide some examples of such types and patterns. An example of an e-mail type is provided here.
The example given there is as follows (I've edited it slightly to make things a little clearer):
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" >
<xsd:element name="A" type="emailAddress"/>
<xsd:simpleType name="emailAddress">
<xsd:restriction base="xsd:string">
<xsd:pattern value="[^@]+@[^\.]+\..+"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:schema>
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