手机号验证

'username'     => ['required','regex:/^0?1[3|4|5|6|7|8][0-9]\d{8}$/'],

注册号或统一信用代码验证:

'reg_no'       => 'required|regex:/^[1-9A-GY]{1}[1239]{1}[1-5]{1}[0-9]{5}[0-9A-Z]{10}$/',