Help with AjaxMaskEditValidator

Hello all,

How can i set the mask of maskeditvalidator/fileteredbox validator/or any other validator, that the user should be able to enter only any of the four number 1 or 2 or 3 or 4

Thanks in advnace

IMO it would be better if you use javascript instead of using maskedit validator.

This link key press event on a text box might help you.