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

"\d{4}\d{2}\d{2}|\d{2}/\d{2}/\d{4}|\d{2}.\d{2}.\d{4}|\d{2}\-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)|(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d{2}\-\d{4}|\d{4}-\d{2}-\d{2}"

These format is mm.dd.yyyy, d-MMM, mm.dd.yyyy

Answer 2

Regex without leading zero in day.

^\d{1,2}-[a-zA-Z]{3}-\d{4}$

Update Regex with leading zero in day.

^\d{2}-[a-zA-Z]{3}-\d{4}$