1、手机号码：/^[1][34578][0-9]{9}$/
2、用户姓名：/^[a-zA-Z0-9\x{4e00}-\x{9fa5}]+$|^[a-zA-Z0-9\x{4e00}-\x{9fa5}][a-zA-Z0-9_\s\ \x{4e00}-\x{9fa5}\.]*[a-zA-Z0-9\x{4e00}-\x{9fa5}]+$/u
3、php以四位，空格补填：
//处理卡号的显示 protected function cardFormat($card_num){ $count = floor(strlen($card_num)/4); $patten = ‘/‘.str_repeat(‘([\w]{4})‘,$count).‘([\w]{0,})?/‘; preg_match($patten, $card_num,$match); unset($match[0]); return implode(‘ ‘, $match); }