摘要：
CentOS dnf --enablerepo=powertools install texinfo 阅读全文
摘要：
https://www.developing-stuff.com/how-to-compile-run-c-code-at-runtime-or-how-to-use-c-as-a-scripting-language/ https://zhuanlan.zhihu.com/p/358456265 阅读全文
摘要：
^([a-z0-9_\.]+)@([\da-z\.-]+)\.([a-z\.]{2,6})$ https://regex101.com/ https://regexper.com/ https://regexper.com/#%5E%28%5Ba-z0-9_%5C.%5D%2B%29%40%28%5 阅读全文