Remove HyperLinks from text

I need help with it and i'm sure its simple but I cant figure it out.

In my rich text box I copy a link in and I dont want it to be a hyperlink. 开发者_如何学运维

So how do I remove the hyperlink?

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It seems you're asking about hyperlinks in the RichTextBox in Windows Forms. If so, it's simply a matter of setting the DetectUrls property to false:

richTextBox1.DetectUrls = false;

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string BadInput=Textbox.Text....
string GoodInput=BadInput.Replace("<","&lt;").Replace(">","&gt;");

Of course, this is assuming you don't want any HTML to be allowed in the text box.