show error messages of validation in laravel code example

Example 1: how to show validation error in laravel blade

@if($errors->any())
    <div class="alert alert-danger">
        <p><strong>Opps Something went wrong</strong></p>
        <ul>
        @foreach ($errors->all() as $error)
            <li>{{ $error }}</li>
        @endforeach
        </ul>
    </div>
@endif

@if(session('success'))
    <div class="alert alert-success">{{session('success')}}</div>
@endif

@if(session('error'))
    <div class="alert alert-danger">{{session('error')}}</div>
@endif

Example 2: how to change validation message in laravel

$messages = [
        'exists' => 'Your custom message',
    ];
    $this->validate($request, [
    'recovery_code' => 'required|exists:users,email_recovery_code',
    'new_password'=>'required',
    'confirm_password'=>'required|same:new_password',
    ],$messages);