Binaryworld - Filter - A replacement for VB6's Filter function under VB5 ... [ VB -> Arrays ]

' A replace for the Filter function under VB4 and VB5
'
' Note that the source array is modified. For this reason
' this is declared as a Sub rather than a Function

Sub Filter(arr() As String, ByVal Search As String, Optional ByVal Include As _
  Boolean, Optional ByVal CompareMethod As VbCompareMethod = vbBinaryCompare)
  Dim index As Long
  Dim count As Long

  count = LBound(arr) - 1

  For index = LBound(arr) To UBound(arr)
    If (InStr(1, arr(index), Search, CompareMethod) > 0) = Include Then
      ' this item must be included
      count = count + 1
      If index <> count Then
        ' copy data only if necessary
        arr(count) = arr(index)
      End If
    End If
  Next

  ' trim items in excess
  If count < UBound(arr) Then
    ReDim Preserve arr(LBound(arr) To count) As String
  End If

End Sub