$rules = [ 'name' => 'required', 'email' => 'required|email', 'message' => 'required|max:250', ]; $customMessages = [ 'required' => 'The :attribute field is required.' ]; $this->validate($request, $rules, $customMessages);

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

public function store()
{ request()->validate([ 'file' => 'required', 'type' => 'required' ], [ 'file.required' => 'You have to choose the file!', 'type.required' => 'You have to choose type of the file!' ]);
}

$this->validate([ // 1st array is field rules 'userid' =>'required|min:3|max:100', 'username' =>'required|min:3', 'password' =>'required|max:15|confirmed',
], [ // 2nd array is the rules custom message 'required' => 'The :attribute field is mandatory.'
], [ // 3rd array is the fields custom name 'userid' => 'User ID'
]);

$messsages = [ 'email.required'=>'You cant leave Email field empty', 'name.required'=>'You cant leave name field empty', 'name.min'=>'The field has to be :min chars long', ];	$rules = [ 'email'=>'required|unique:content', 'name'=>'required|min:3',	];
$validator = Validator::make($request, $rules,$messsages);

$rules = [ 'name' => 'required', 'email' => 'required|email', 'message' => 'required|max:250', ]; $customMessages = [ 'required' => 'The :attribute field is required.' ]; $this->validate($request, $rules, $customMessages);

$rules = [ 'username' => 'required,unique:Userlogin,username', 'password' => 'required', 'email' => 'required,unique:Userlogin,email'
];
$messages = [ 'required' => 'The :attribute field is required.', 'unique' => ':attribute is already used'
];
$request->validate($rules,$messages);
//only if validation success code below will be executed

$rules = [ 'name' => 'required', 'email' => 'required|email', 'message' => 'required|max:250', ]; $customMessages = [ 'required' => 'The :attribute field is required.' ]; $this->validate($request, $rules, $customMessages);
//@sujay

$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);

$messages = [ 'same' => 'The :attribute and :other must match.', 'size' => 'The :attribute must be exactly :size.', 'between' => 'The :attribute value :input is not between :min - :max.', 'in' => 'The :attribute must be one of the following types: :values',
];