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📜  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