如何在C＃中telnet到HP Switch时从字符串中删除转义序列 [英] how to remove escape sequence from string while telnet to a HP Switch in C#

问题描述

我正在尝试远程登录HProCurve J9279A交换机，但是当我在文本文件中编写响应时，我在登录提示中收到了一些未知字符。请让我知道如何处理这个并从字符串中删除这些垃圾字符。我可以说这些是一些逃避顺序，不能被字符串识别。



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？[1; 24r？[1; 1H？[24; 1HUsername：？[？25h？[24; 1H？[？25h？[24; 11H？[24; 11H？] [ ？25h？[24; 11H



请帮助删除上述字符串和命令输出中的未知字符。任何帮助将不胜感激

I am trying to telnet a HProCurve J9279A Switch but i am getting some unknown characters in the login prompt when i am writing the response in text file . Please let me know how to handle this and remove these junk characters from string . I can say these are some escape sequense which in not recognized by string .

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Username: [?25h[?25h[?25h

Please help to remove thse unknown characters in above strings and command outputs. any help will be appreciated

推荐答案

看起来像 VT100 转义代码（但我可能是错的，因为我需要一段时间知道这样的事情:)）。



获取VT100 ANSI解析器库并将字符串提供给它，我尝试使用libvt100 C＃库 [ ^ ]，它是一个易于使用的解析界面。



或者如果你手上有太多时间，根据 VT100和VT52转义码图表手动滚动您自己的实现[ ^ ]。



希望这会有所帮助，

Fredrik

That looks like VT100 escape codes (but I could be wrong, it's been a while since I needed to know things like this :)).

Get a VT100 ANSI parser library and feed the string to that, I'd try using the libvt100 C# library[^], it as an easy to use parse interface.

Or if you've got way too much time on your hands, hand-roll your own implementation according to a VT100 and VT52 escape codes chart[^].

Hope this helps,
Fredrik

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