📜  正则表达式匹配数字和特殊字符 - Shell-Bash 代码示例
📅  最后修改于: 2022-03-11 14:51:23.446000             🧑  作者: Mango
代码示例1
echo %H1E2L+L#O! | sed 's/[^A-Z!]//g' #replaces number and special
characters which aren't ! or an uppercase letter A-Z