How to use sometimes rule in Laravel 5 request class

Question

I have the following request class:

Answer 1

You just need to add the dob key to the array you are returning, along with the validation ruleset to follow, including sometimes.

In this case:

'dob' : 'sometimes|required|regex:/[0-9]{2}\/[0-9]{2}\/[0-9]{4}/|valid_date'