Answers for "password validation register laravel"

confirm password validation laravel

'password' => 'required|confirmed',

reference : https://laravel.com/docs/4.2/validation#rule-confirmed

The field under validation must have a matching field of foo_confirmation. 
For example, if the field under validation is password, a matching
password_confirmation field must be present in the input.

validate password laravel

$request->validate([
            'email' =>'required|exists:users',
            'password'=>'required|password'
        ]);