Sample Validation Code

SampleClass.php

<?php

namespace App\Http\Controllers\System;

use App\Http\Controllers\Controller;
use App\User;

Class SampleClass extends Controller {

  public function store()
  {
        $this->validate(request(), [
            'name'         => 'required|string|max:191',
            'email'        => 'nullable|string|email|max:191|unique:users,email',
            'phone'        => 'required|regex:/(01)[0-9]{9}/'
        ]);
        // ...
        // ...
        // ...
   }

}