<?php namespace Rakit\Validation\Rules; use Rakit\Validation\Rule; class AlphaNum extends Rule { /** @var string */ protected $message = "The :attribute only allows alphabet and numeric"; /** * Check the $value is valid * * @param mixed $value * @return bool */ public function check($value): bool { if (! is_string($value) && ! is_numeric($value)) { return false; } return preg_match('/^[\pL\pM\pN]+$/u', $value) > 0; } }