validate password laravel

'password' => 'required|
               min:6|
               regex:/^.*(?=.{3,})(?=.*[a-zA-Z])(?=.*[0-9])(?=.*[\d\x])(?=.*[!$#%]).*$/|
               confirmed',

<?php
   
namespace App\Http\Controllers;
   
use Illuminate\Http\Request;
use App\Rules\MatchOldPassword;
use Illuminate\Support\Facades\Hash;
use App\User;
  
class ChangePasswordController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }
   
    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function index()
    {
        return view('changePassword');
    } 
   
    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function store(Request $request)
    {
        $request->validate([
            'current_password' => ['required', new MatchOldPassword],
            'new_password' => ['required'],
            'new_confirm_password' => ['same:new_password'],
        ]);
   
        User::find(auth()->user()->id)->update(['password'=> Hash::make($request->new_password)]);
   
        dd('Password change successfully.');
    }
}

// Laravel 8+

// Require at least 8 characters...
Password::min(8)

// Require at least one letter...
Password::min(8)->letters()

// Require at least one uppercase and one lowercase letter...
Password::min(8)->mixedCase()

// Require at least one number...
Password::min(8)->numbers()

// Require at least one symbol...
Password::min(8)->symbols()
  
// Or you can chain them all
use Illuminate\Validation\Rules\Password;

$rules = [
    'password' => [
        'required',
        'string',
        Password::min(8)
            ->mixedCase()
            ->numbers()
            ->symbols()
            ->uncompromised(),
        'confirmed'
    ],
]