如何替换“与\“ [英] How to replace " with \"

问题描述

我需要进行替换，问题是，在replace()中，我必须在\之前加上一个\，这样才能真正进行替换.

I need to do that replacement, the problem is, in replace() I have to put a \ before ", so does to really do a replacement.

str = str.replace("\"", "\"");

这是不可能的:

this is not possible:

str = str.replace("\"", "\\"");

我该如何解决?

How can I solve this?

推荐答案

如果我理解，您想将"替换为\".为此，该行是:

If I understand, you want to replace " with \". To do this the line is:

str = str.replace("\"", "\\\"");

每个字符都被转义.

Each character is escaped.

str = str.Replace("\"", "\\\"");

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