Option Compare Database Option Explicit ' ** Access Toolbox Module ** ' on 2017-02-28, ' @author: Olivier Massot ' V 1.0 ' Operations on iterables Public Function concat(ByRef iterable As Variant, Optional separator As String = ";") Dim var As Variant concat = "" For Each var In iterable If Len(concat) > 0 Then concat = concat & separator concat = concat & CStr(var) Next var End Function Function contains(ByRef iterable As Variant, value As Variant) As Boolean Dim var As Variant contains = False For Each var In iterable If var = value Then contains = True Exit Function End If Next var End Function