小于65535的数字编码(端口验证) /^(\d|[0-9]\d{1,3}|[0-5]\d{4}|6([0-4]\d{3}|5([0-4]\d{2}|5([0-2]\d|3[0-4]))))$/ 相关文章: 2021-05-26 2022-12-23 2022-12-23 2021-12-30 2022-12-23 2021-04-23