laravel validation rules

$this->validate($request, [


'address' => 'required| max:63',


'middleName' => 'nullable| max:100',


'firstName' => 'required|regex:/^[a-zA-Z]+$/u|max:100',


'amount' => 'required|numeric|max:99999.99|min:1',


'transaction_no' => 'required|alpha_num',


'transaction_date' => 'required|date'


'name' => 'required',


'pin' => 'required|numeric'


]);