#1) Before Or Equal (Date) – before_or_equal:date

This validation rule only allows using a value preceding or equal to the given date.

#2) Between – between:min,max

This validation rule only allows using a size between the given min and max.

#3) Date – date

This validation rule only allows using a valid, non-relative date according to the strtotime PHP function.

#4) Date Format – date_format:format

Under this validation rule, the field must match the given format.

#5) Different – different:field

Under this validation rule, the field must have a different value than the field.

#6) Distinct – distinct

When working with arrays, under this validation rule, the field must not have any duplicate values.

#7) Email – email

Under this validation rule, the field must be formatted as an email address.

#8) Image (File) – image

Under this validation rule, the field must be an image (jpeg, png, bmp, gif, svg, or webp).

#9) Nullable – nullable

Under this validation rule, the field must be null.,

#10) Numeric – numeric

Under this validation rule, the field must be numeric.

#11) Regular Expression – regex:pattern

Under this validation rule, the field must match the given regular expression.

#12) Required – required

Under this validation rule, the field must be present in the input data and not empty.

#13) Size – size:value

Under this validation rule, the field must have a size matching the given value.

#14) Sometimes – sometimes

This validation rule runs validation checks against a field only if that field is present in the input array.

#15) URL – url

Under this validation rule, the field must be a valid URL.

1. controller

        namespace App\Http\Controllers;
        
        use Illuminate\Http\Request;
        use App\Student;
        
        class StudentController extends Controller
        {
        public function create()
        
        {
                return view('create');
        }
        
        public function store(Request $request)
        
        {
                $input = $request->all();
        
                $request->validate([
                'title' => 'required',
                'name' => 'required|max:255',
                'bday' => 'required|date',
                'age' => 'required|numeric',
                'gender' => 'required',
                'phone' => 'required|min:10',
                'address' => 'required|max:255',
                'email' => 'required|email|max:255',
                'password' => 'required|min:6|max:255',
                't&c' => 'required',
                ]);
        
                $input['password'] = bcrypt($input['password']);
                Student::create($input);
        
                return back()->with('success','Successfully registered a new student!');
        
        }
        
        }

2. in view form

   @if (count($errors) > 0)
        <div class="alert alert-danger">
            <ul>
            @foreach ($errors->all() as $error)
                    <li>{{ $error }}</li>
                    @endforeach
            </ul>
        </div>
        @endif
 
        @if ($message = Session::get('success'))
        <div class="alert alert-success alert-block">
            <button type="button" class="close" data-dismiss="alert">×</button>
            <strong>{{ $message }}</strong>
        </div>
        @endif