The ``++... IsNot ...++`` syntax is more compact and more readable than the ``++Not ... Is ...++`` syntax.


== Noncompliant Code Example

----
Module Module1
    Sub Main()
        Dim a = Not "a" Is Nothing ' Noncompliant
    End Sub
End Module
----


== Compliant Solution

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Module Module1
    Sub Main()
        Dim a = "a" IsNot Nothing  ' Compliant
    End Sub
End Module
----

