File name validation i.e expression validator

Hi,


I want to write file name file name validation  i .e for Excel file    

FileName.xls  and FileName.xsls  

I am doing for  windows enivorment in C# ..

Can you please  help me  in that...
N_SriAsked:
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käµfm³d 👽Connect With a Mentor Commented:
Like this?
string extension = System.IO.Path.GetExtension(filename).ToLower();

if (extension == ".xls" || extension == ".xsls")
{
    // Filename valid.
}

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N_SriAuthor Commented:
thankyou
0
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