'required|alpha_numeric_space|min_length[3]',
'email' => 'required|valid_email|is_unique[user.email,idx,{idx}]',
'password' => 'required|min_length[8]',
'pass_confirm' => 'required_with[password]|matches[password]',
];
protected $validationMessages = [
'email' => [
'is_unique' => '사용중인 Email입니다.',
],
];
}