asp.net MVC 4 SSN Validation -


i using asp.net mvc 4 , looking attribute ssn validation. 

[required(errormessage = "social security required")] [ssn] public string ssn { get; set; }

i know doesn't work, looking for.

can help

you need use regex. try this.

[required(errormessage = "ssn required")] [regularexpression(@"^\d{9}|\d{3}-\d{2}-\d{4}$", errormessage = "invalid social security number")] public string ssn { get; set; }

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