Laravel validator multiple unique condition

    // Validate email and password

$v = Validator::make($request->all(), [

'<request_input>' => 'required|unique:<table>,<request_column1>

,' . '<request_column2>= ' . <request_column2_value>

]);

https://laravel.io/forum/10-12-2014-two-field-in-combination-should-be-unique-in-database