add default properties to dob claim
<DisplayName>Birth Date</DisplayName>
<AttributeID>dateOfBirth</AttributeID>
<Description>Birth Date</Description>
+ <RegEx>^\d{4}-\d{2}-\d{2}$</RegEx>
+ <RegExValidationError>Date of Birth is not in the correct format of YYYY-MM-DD</RegExValidationError>
</Claim>
<Claim>
<ClaimURI>http://wso2.org/claims/nickname</ClaimURI>
