如何在cmd中输入特殊字符？ [英] How to input special character in cmd?

问题描述

我写了一个c程序，从Windows下的命令行检索参数。其中一个参数是正则表达式。所以我需要检索特殊字符，如（，。等，但cmd.exe处理（作为一个特殊字符。

I have written a c program that retrieves arguments from the command line under Windows. One of the arguments is a regular expression. So I need to retrieve special characters such as "( , .", etc., but cmd.exe treats "(" as a special character.

这些特殊字符？

感谢。

推荐答案

myprogram.exe "(this is some text, with special characters.)"

虽然我不会假设括号会导致问题，除非你使用块作为条件语句或循环通常由shell进行处理并需要引用或转义的字符数组是：

Though I wouldn't assume that parentheses cause problems unless you are using blocks for conditional statements or loops in a batch file. The usual array of characters that are treated specially by the shell and need quoting or escaping are:

& | > < ^

如果在正则表达式中使用这些，转义这些字符：

If you use those in your regular expression, then you need quotes, or escape those characters:

myprogram "(.*)|[a-f]+"
myprogram (.*)^|[a-f]+

（ ^ ，这会导致下面的字符不被shell解释，而是逐字地使用）

(^ is the escape character which causes the following character to be not interpreted by the shell but instead used literally)

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