Answer Posted / sayan

Private Sub btnAnswer_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles btnevaluate.Click
Dim Input As String

If IsPalindrome(Input) Then
txtAnswer.Text = "True"
Else
txtAnswer.Text = "False"

End If



End Sub
Function IsPalindrome(ByVal Input As String) As Boolean

Dim Front As Integer
Dim Back As Integer
Dim Middle As Integer
Dim nPalindrome As Boolean

IsPalindrome = False
nPalindrome = True


Back = Input
Middle = Back / 2
Front = 1
If (Back < 1) Then
Exit Function
End If

Do While (Front <> Back And Front <= Middle)
If (Mid(Input, Front, 1) <> Mid(Input, Back, 1)) Then
nPalindrome = False
Exit Do
End If
Back = Back - 1
Front = Front + 1
Loop
IsPalindrome = nPalindrome
Exit Function

End Function
End Class

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