Hello Devs, 

In this tutorial, we will learn Laravel 7/6 Validation Email or Empty Example

Follow this step by step guide below. 

Solution: 

$validator = $request->validate([

    'name' => 'required|nullable|string',

    'email' => 'nullable|email',

]);


Route : routes/web.php

Route::get('email-validation','TestController@index');
Route::post('email-validation/store','TestController@store')->name('emailvalidation.store');


Controller : app/Http/Controller/

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class  TestController extends Controller
{
    public function index()
    {
        return view('form');
    }

    public function store(Request $request)
    {
            $input=$request->all();

            $validator = $request->validate([
                'name' => 'required|nullable|string',
                'email' => 'nullable|email',
            ]);

            return redirect()->back();
    }
}


View : resources/views/form.blade.php

<!DOCTYPE html>
<html>
<head>
    <title>laravel validation email or empty</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha256-L/W5Wfqfa0sdBNIKN9cG6QA5F2qx4qICmU2VgLruv9Y=" crossorigin="anonymous" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha256-WqU1JavFxSAMcLP2WIOI+GB2zWmShMI82mTpLDcqFUg=" crossorigin="anonymous"></script>
</head>
<body style="background: skyblue">
    <div class="container">
        <div class="row">
            <div class="col-md-6 offset-3">
                <div class="card mt-5">
                    <div class="card-header bg-success">
                        <h3 class="text-white text-center"><strong>laravel validation email or empty rathorji.in</strong></h3>
                    </div>
                    <div class="card-body">
                        @if(count($errors) > 0)
                            @foreach($errors->all() as $error)
                                <div class="alert alert-danger">{{ $error }}</div>
                            @endforeach
                        @endif
                        <form action="{{ route('emailvalidation.store') }}" method="post">                
                            @csrf
                            <div class="form-group">
                                <label><b>Name :-</b></label>
                                <input type="text" name="name" class="form-control" value="{{ old('password') }}">
                            </div>
                            <div class="form-group">
                                <label><b>Email:-</b></label>
                                <input type="text" name="email" class="form-control" value="{{ old('email') }}">
                            </div>
                            <div class="form-group text-center">
                                <button class="btn btn-success" type="submit">Save</button>
                            </div>
                        </form>     
                    </div>
                </div>      
            </div>
        </div>
    </div>
</body>
</html>


May this example help you.