put multiple image files to the clipboard

[Davider]

The `GetFiles` function in Code1 does not support regular expressions. Therefore, in Code2, I used the `enumFiles` function from LA, which seems a bit complex. It would be very convenient to have an extension method for `GetFiles` that supports regular expressions.

Code1:

Code:

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var ar1 = Directory.GetFiles(dirPath, "AZ?.jpeg"); //files as string[]
print.it(ar1);
var dimg = new clipboardData().AddFiles(ar1);

Code2:

Code:

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var a = filesystem.enumFiles(dirPath, "**m AZ?.jpeg||SX?.jpeg").ToArray();
List<string> paths = new List<string>();
foreach (var f in a) {
    var path = f.FullPath;
    print.it(path);
}
string[] ar1 = paths.ToArray();
var dimg = new clipboardData().AddFiles(ar1);