Documentation for IRS Electronic Tax Administration
Definition Type: SimpleType
Name: EmailAddressType
Namespace: http://www.irs.gov/efile
Containing Schema: efileTypes.xsd
Documentation:
Used for an email address. The User ID portion of the email address allows: A-Z, a-z, 0-9, underscore, hyphen, ampersand, !, #, $, %, `, *, +, /, =, ?, ^, ', {, |, }, ~, and period though not at the start or end.
Collapse XSD Schema Diagram:
XSD Diagram of EmailAddressType in schema efiletypes_xsd (IRS Electronic Tax Administration)
Collapse XSD Schema Code: 
<xsd:simpleType name="EmailAddressType">
    <xsd:annotation>
        <xsd:documentation>Used for an email address. The User ID portion of the email address allows: A-Z, a-z, 0-9, underscore, hyphen, ampersand, !, #, $, %, `, *, +, /, =, ?, ^, ', {, |, }, ~, and period though not at the start or end.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
        <xsd:maxLength value="75" />
        <!-- UserID@IPv4 Address, e.g. john.doe@200.200.200.200 -->
        <xsd:pattern value="[A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~](\.?([A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~])+)*@(([0-9]|[1-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9]|[1-9][0-9]|[2][0-4][0-9]|[2][5][0-5])">
            <xsd:annotation>
                <xsd:documentation>IPv4 Email Address.</xsd:documentation>
            </xsd:annotation>
        </xsd:pattern>
        <!-- UserID@IPv6 Address, e.g. john.doe@FEDC:BA98:7654:3210:FEDC:BA98:7654:3210 -->
        <xsd:pattern value="[A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~](\.?([A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~])+)*@([A-Fa-f0-9]{1,4}:){7}[A-Fa-f0-9]{1,4}">
            <xsd:annotation>
                <xsd:documentation>IPv6 Email Address</xsd:documentation>
            </xsd:annotation>
        </xsd:pattern>
        <!-- UserID@Domain Name Address, e.g. john.doe@irs.gov -->
        <xsd:pattern value="[A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~](\.?([A-Za-z0-9_\-!#$%&amp;`*+/=?^'{|}~])+)*@([A-Za-z](-?[A-Za-z0-9])*\.)+(([A-Za-z]){2,16})">
            <xsd:annotation>
                <xsd:documentation>Domain Name Email Address</xsd:documentation>
            </xsd:annotation>
        </xsd:pattern>
    </xsd:restriction>
</xsd:simpleType>
Collapse Facets:
Facet Value
MaxLength 75
Pattern [A-Za-z0-9_\-!#$%&`*+/=?^'{|}~](\.?([A-Za-z0-9_\-!#$%&`*+/=?^'{|}~])+)*@(([0-9]|[1-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9]|[1-9][0-9]|[2][0-4][0-9]|[2][5][0-5])
Collapse Derivation Tree:
Collapse References:
nsA:EmailAddress, nsA:EmailAddress, nsA:EmailAddress1, nsA:EmailAddress2
Documentation for IRS Electronic Tax Administration

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