private static string BuildValidationWithEmailLengthAttribute(EmailAddressAttribute emailValidationAttribute, string propertyName)
{
Type type = typeof(EmailAddressAttribute);
FieldInfo info = type.GetField("_regex", BindingFlags.NonPublic | BindingFlags.Static);
var value = info.GetValue(null);
return
(string.Format(
@"model['{0}'].extend({{
pattern: {{
message: '{2}',
params: /{1}/
}} }});", propertyName, value, emailValidationAttribute.LocalizableError()));
}