wget http://www.baidu.com cat index.html | sed 's/[^a-zA-Z0-9[:punct:]]//g' | grep -v '^$' 过滤index.html的中文 相关文章: 2021-10-02 2022-12-23 2021-11-14 2022-12-23 2021-07-05 2022-02-01 2021-06-09 2021-11-29