Laravel Form Validation Tutorial with Examples

Learn Laravel validation from scratch — validate form input, display error messages in Blade, and create custom validation rules.

Validating user input is essential for keeping your application secure and your database clean. This tutorial covers how Laravel's validation system works, from basic rules to custom validation logic. Basic Validation in a Controller public function store(Request $request) { $validated = $request->validate([ 'title' => 'required|max:255', 'email' => 'required|email', 'price' => 'required|numeric|min:0', ]); Product::create($validated); return redirect()->route('products.index'); } If validation fails, Laravel automatically redirects the user back to the previous page with the errors and their old input — no extra code needed. Displaying Validation Errors in Blade <form action="{{ route('products.store') }}" method="POST"> @csrf <input type="text" name="title" value="{{ old('title') }}"> @error('title') <p style="color:red">{{ $message }}</p> @end...

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