22 lines
581 B
VB.net
22 lines
581 B
VB.net
'http://rosettacode.org/wiki/Middle_three_digits
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Function mid3n(n)
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'Remove the number's sign.
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n = CStr(Abs(n))
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If Len(n) < 3 Or Len(n) Mod 2 = 0 Then
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mid3n = "Invalid: Either the length of n < 3 or an even number."
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ElseIf Round(Len(n)/2) > Len(n)/2 Then
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mid3n = Mid(n,Round(Len(n)/2)-1,3)
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Else
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mid3n = Mid(n,Round(Len(n)/2),3)
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End If
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End Function
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'Calling the function.
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arrn = Array(123,12345,1234567,987654321,10001,-10001,-123,-100,100,-12345,_
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1,2,-1,-10,2002,-2002,0)
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For Each n In arrn
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WScript.StdOut.Write n & ": " & mid3n(n)
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WScript.StdOut.WriteLine
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Next
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