还不知道对不对。先记录在这。 (?<![\d\.])((25[0-5]|2[0-4]\d|1\d{2}|[1-9]\d|\d)\.){3}(25[0-5]|2[0-4]\d|1\d{2}|[1-9]\d|\d)(?![\d\.]) 相关文章: 2021-07-17 2022-12-23 2022-12-23 2021-06-03 2021-05-25 2022-01-18 2021-12-20 2022-02-27