happylzs2008的专栏

https://blog.youkuaiyun.com/u012028371/article/details/72832099正则表达式 -元字符https://www.runoob.com/regexp/regexp-metachar.html正则表达式 -语法https://www.runoob.com/regexp/regexp-syntax.htmlhttps://...

正则表达式元字符https://blog.youkuaiyun.com/wlwanglu/article/details/52221195精通正则表达式（元字符）https://www.cnblogs.com/zhuimengdeyuanyuan/archive/2013/02/05/2892988.html正则表达式(一) -- 元字符https://www.cnblogs....

awk使用教程（个人整理，收集了N多资料，应该是最全的）https://blog.youkuaiyun.com/u010632125/article/details/79661702linux awk命令详解https://www.cnblogs.com/xudong-bupt/p/3721210.htmlhttp://www.zsythink.net/archives/tag/awk/...