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请教个 ilnux shell 的正则提取用 sed 还是 grep ？ - V2EX
source link: https://www.v2ex.com/t/429924
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Linux - @brotherlegend - 最近在学 linux shell 一直学不会 sed 与 grep 的用法，希望大佬指点一下打算用来提取 html 里面的内容，测试代码如下 ```<tr border=0>
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