// Basic transformation
$name = $request->string('name')
    ->trim()
    ->title()
    ->limit(50);
 
// Input
$request->input('name') = '  jANE mARY smith   ';
 
// Output after string() transformation
'Jane Mary Smith'

<?php
 
namespace App\Http\Controllers;
 
use App\Models\Profile;
use Illuminate\Http\Request;
 
class ProfileController extends Controller
{
    public function update(Request $request, Profile $profile)
    {
        $profile->update([
            'display_name' => $request->string('name')
                ->trim()
                ->title()
                ->limit(50)
                ->toString(),
 
            'username' => $request->string('username')
                ->trim()
                ->lower()
                ->replaceMatches('/[^a-z0-9_-]/', '')
                ->limit(20)
                ->toString(),
 
            'bio' => $request->string('bio')
                ->trim()
                ->stripTags()
                ->limit(160)
                ->toString(),
 
            'website' => $request->string('website')
                ->trim()
                ->lower()
                ->replace(['http://', 'https://'], '')
                ->before('/')
                ->toString()
        ]);
 
        return response()->json([
            'message' => 'Profile updated successfully',
            'profile' => $profile->fresh()
        ]);
    }
}