Hi I have a regular expression which is strated failing now. not sure what is stopping.
Regex regex = new Regex(@"^(([a-zA-Z]:)|(\\{2}\w+\\[\w- ]+[$])|(\\{2}\w+))(\\[\w-. ]*)*(.xml|.XML)$");
if (!regex.IsMatch(fuSource.PostedFile.FileName))
{
Page.Validators.Add(new ValidatorHelper("Please select a valid Application XML input file."));
}
the file name i am passing is:
XX2 03-01-2017.xml
But for some reason it is not taking.
please help with the valid file name that matches the pattern..
You can test your regex on an online tool like this one to try it yourself :
https://regex101.com/r/UX9TjE/1
Basically your regexp matches 3 parts in the filename :
c: or Z:\\shared\user$\\shared\my\path\my file.xml or .XMLIMHO this regex is not very good, here are some example matches :
c:\path\\XX2 03-01-2017.xml
\\nas\user$\XX2 03-01-2017.xml
\\network_shared\.xml
\\a.XML
You can see why each one matches here :
https://regex101.com/r/UX9TjE/2
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