删除ASCII问号 [英] Remove ASCII Question Mark

问题描述

我从另一个应用程序传递了以下字符串.

I have the following String passed from another application.

2�4�9�

(2� 4� 9�)

(2�4�9�)

我想从上述字符串中删除问号ascii字符.

I would like to remove question mark ascii characters from the above string.

我该怎么办?

推荐答案

根据此 Unicode代码表，�(或\ufffd)是字符�.

According to this Unicode code table, � (or \ufffd) is the character �.

您可以使用以下命令从字符串中删除此Unicode字符:

You can remove this unicode character from your string with :

str = str.replaceAll("�", "");

但是您应该真正地理解为什么为什么.

But you should really try to understand why they are there.

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