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Hi, Mahmed1 

        Table.SelectRows(
            your_table, 
            (x) => 
            not List.AnyTrue(
                    List.Transform(
                        exemption_list, 
                        (t) => Text.StartsWith(x[code], t)
                    )
                )
        )

but exemption_list must be a list, not table. I hope you know how to get a list from a column of your table. And buffer this list before usage (outside of Table.SelectRows).