...
        Next j
    End If
    ' if nothing selected but unload pressed then beep
    On Error Resume Next        ''' switch error handling
    If jUnloadct = 0 Then
        Beep
    Else
        ' remove successfully unloaded addins from the listbox
        For j = boxAddins.ListCount - 1 To 0 Step -1    ''' zero-based array
            If jUnloaded(j) > 0 Then
                boxAddins.RemoveItem (j)                ''' remove from list box
            End If
        Next j
    End If
End Sub

        Next j
    End If
    ' if nothing selected but unload pressed then beep
    On Error GoTo ErrorHandler        ''' switch error handling
    If jUnloadct = 0 Then
        Beep
    Else
        ' remove successfully unloaded addins from the listbox
        For j = boxAddins.ListCount - 1 To 0 Step -1    ''' zero-based array
            If jUnloaded(j) > 0 Then
                boxAddins.RemoveItem (j)                ''' remove from list box
            End If
        Next j
    End If

    Exit Sub

hmm Ducky is very clever
Assert.AreEqual Null, TypeName(Null)
Inconclusive! Nice

private string ConvertWhitespaceToStringName(string whiteSpace)
{
    switch (whiteSpace)
    {
        case "\t":
            return RubberduckUI.RegexAssistant_SpelledOut_Tab;
        case " ":
            return RubberduckUI.RegexAssistant_SpelledOut_Space;
        case "\n":
            return RubberduckUI.RegexAssistant_SpelledOut_NewLine;
        case "\r":
            return RubberduckUI.RegexAssistant_SpelledOut_CarriageReturn;
        case "\r\n":
            return RubberduckUI.RegexAssistant_SpelledOut_CarriageReturnNewLine;