Need regular expression for validating date in dd-MMM-yyyy format

Question

I am not expert in writing regular expressions so need your help. I want to validate date in \"dd-MMM-yyyy\" format i.e. 07-Jun-2012. I am using RegularExpressionValidator i

Answer 1

"^(([1-9]|0[1-9]|1[0-9]|2[1-9]|3[0-1])[-]([JAN|FEB|MAR|APR|MAY|JUN|JULY|AUG|SEP|OCT|NOV|DEC])[-](d{4}))$"