refactor: add regex validation for 'nama' field in BookingFotoRequest

app/Http/Requests/User/BookingFotoRequest.php

@@ -17,7 +17,7 @@ public function rules(): array
             'id_paket'    => 'required|exists:paket_fotos,id_paket',
             'tgl_booking' => 'required|date|after_or_equal:today',
             'jam_mulai'   => 'required',
-            'nama'        => 'required|string|min:3|max:100',
+            'nama'        => 'required|string|min:3|max:100|regex:/^[a-zA-Z\s]+$/',
             'no_wa'       => 'required|numeric|digits_between:10,15',
             'bukti_bayar' => 'required|image|mimes:jpeg,png,jpg|max:2048',
         ];
@@ -37,6 +37,7 @@ public function messages(): array
             'after_or_equal'     => ':attribute tidak boleh tanggal yang sudah lewat.',
             'mimes'              => 'Format :attribute harus jpeg, png, atau jpg.',
             'bukti_bayar.max'    => 'Ukuran :attribute maksimal adalah 2MB.',
+            'regex'              => ':attribute hanya boleh berisi huruf dan spasi.',
 
         ];
     }