Hi, i have regularexpression which is validating SSN in the format of XXX-XX-XXXX as shown below. 

<asp:RegularExpressionValidator runat="server"
      id="regexpSSN" ControlToValidate="txtSSN"
      ValidationExpression="^\d{3}\-\d{2}\-\d{4}$"
      ErrorMessage = "Your Social Seucrity Number must be in the format: XXX-XX-XXXX"
      Display="Dynamic" />

 Now i am looking for how to let the user to enter in any of this format Ex: 1,2,6,7 or 1 or 1,7,9,10,888 or 1,2,10 etc

Numbers can be any but each has to be seperate by comma.

Thaks,

Dilip

Thks i gt the answer

^[^-][0-9]$

Hi ,

Could you please let me know how you did that . I am stuck with that kind of problem.

Thanks.