>>> import re >>> string = '123456789abcdefg' >>> re.findall(r'.{3}', string) ['123', '456', '789', 'abc', 'def'] >>> 相关文章: 2022-12-23 2018-03-13 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-12-24 2022-12-23