Regex for validating date in dd-Mmm-yyyy format

Question

I have an text input box which needs to be validated. The user should be only able to enter the date in dd-Mmm-yyyy format. ex: 01-Jun-2013, 31-Aug-2015 and so on. Or they shoul

Answer 1

If I correctly understand your question, I added the possibility to enter someting matching (T\+[0-9]+) to your original regex.

^((([0-9])|([0-2][0-9])|([3][0-1]))\-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\-\d{4})|(T\+[0-9]+)$