[RESOLVED] Collate common values

I have hundreds of variables and need to see if they are duplicated.
Is there a simple function I can use to achieve this rather than repeating the code for each? The variables have different types. Can you pass a variable name into a subroutine?

Code:

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    Sub CheckDuplicate(ByRef Variable As Object, ByVal value As Object)
        'see if it is already duplicated
        If Variable <> "Varies" Then
            'if not see if it exists and a duplicate
            If Variable <> value Then
                'if not then add it
                Variable = value
            Else
                'if it is a duplicate then return varies
                Variable = "Varies"
            End If
        End If
    End Sub

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What I had looks like it works. I put it together as a fuzzy example of what I was trying to achieve.
I just needed to check the types of variables and return a Varying result accordingly.
If TypeOf Variable Is String Then
Sorry.