Bulk Delete Security Group

The below code will delete the Security Group using extender rule.

Dim secGrp As List(Of Group) = Brapi.Security.Admin.GetGroups(si)
       For Each Item As Group In secGrp

           If Item.Name <> "Nobody" Or Item.Name <> "Administrators" Or Item.Name <> 
             "Everyone"
              Brapi.Security.Admin.DeleteGroup(si,Item.Name)

        End If
      Next