>Set the Seperator variable to whatever you want and you should be good to go!
>
>

>Dim TestList As New List(Of String) From {"1", "2", "3", "4", "5"}
>Dim Seperator As String = ", "
>Dim Result As String = String.Join(Seperator, TestList.ToArray())
>'Result = "1, 2, 3, 4, 5"
>

When the separator is not known, is it safer to go with:

For Each lcString In loString
Next