Excel VBA Tell if string is R1C1 Reference


I have a string sRange that holds a range. If it holds eg R[-1]C[+2] what VBA would I use
to test if it is an R1C1 reference?
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAsked:
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if you are already in R1C1 mode
Sub Macro()
srange = "R[-1]C[+2]"
res = Evaluate("=isref(" & srange & ")")
End Sub

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks. If I run that code and hover over res I see the value "Error 2015"
then try
Sub Macro1()
    Dim regex As Object
    Set regex = CreateObject("VBScript.RegExp")
    srange = "R[-1]C[+2]"
    With regex
        .Global = True
        .IgnoreCase = True
        .Pattern = "^R((\[[+-]?\d+\])|\d+)?C((\[[+-]?\d+\])|\d+)?"
    End With
    res = regex.Test(srange)
    Set regex = Nothing

End Sub

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
I am amazed! Thank you very much. Fantastic answer!
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