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Alex Rivera
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Possible Duplicate: How check if given string is legal (allowed) file name under Windows? I am new to stackoverflow. I know its a silly question, but I am stuck in it. I want to validate a filename so that it should only accept legal path. I have tried the below code: if (txtFileName.IndexOfAny(System.IO.Path.GetInvalidFileNameChars()) != -1) { MessageBox.Show("The filename is invalid"); return; } It worked, however, I was a bit confused whether it will fully work or not so I wanted to know other answers too. I think we can also validate a filename using Regular Expression too. Any help will be great.
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