🌟 Laravel 12 Custom Validation Error Messages Example

Learn how to create custom validation error messages in Laravel 12 and make your application more user-friendly.
This guide shows both Controller-based and Form Request-based methods with practical examples.

🔗 Read the full tutorial here:
👉 https://itstuffsolutiotions.io/laravel-12-custom-validation-error-messages-example/

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🧠 What You’ll Learn

✅ How to override default validation messages in Laravel
✅ Difference between Controller vs Form Request validation
✅ Customizing messages for each field & rule
✅ Handling file validation (e.g. avatar uploads)
✅ Writing clear and friendly error messages for users

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🧩 Example Code Snippet

Here’s a quick example of how you can define custom messages in a controller:

$request->validate([
    'name'   => 'required|string|max:255',
    'email'  => 'required|email',
    'avtar'  => 'required|mimes:jpeg,png,jpg|max:2048',
], [
    'name.required'  => 'Please enter your full name.',
    'email.required' => 'We need your email address to contact you.',
    'avtar.required' => 'Please upload your profile picture.',
    'avtar.mimes'    => 'Only JPEG, PNG, and JPG formats are allowed.',
    'avtar.max'      => 'Profile picture size must not exceed 2MB.',
]);