Android Code Snippet Get List of Files using WildCards II

Sub WildCardFilesList2(FilesPath As String, WildCards As String, Sorted As Boolean, Ascending As Boolean) As List
    If File.IsDirectory("", FilesPath) Then
        Dim FilesFound As List = File.ListFiles(FilesPath)
        Dim GetCards() As String = Regex.Split(",", WildCards)
        Dim FilteredFiles As List : FilteredFiles.Initialize
        For i = 0 To FilesFound.Size -1
            For l = 0 To GetCards.Length -1
                Dim TestItem As String = FilesFound.Get(i)
                Dim mask As String = GetCards(l).Trim
                Dim pattern As String = "^"&mask.Replace(".","\.").Replace("*",".+").Replace("?",".")&"$"
                If Regex.IsMatch(pattern,TestItem) = True Then
                  FilteredFiles.Add(TestItem.Trim)
                End If
            Next
        Next
        If Sorted Then
            FilteredFiles.SortCaseInsensitive(Ascending)
        End If
        Return FilteredFiles
    Else
        Msgbox("You must pass a valid Directory.", "NOTICE")
    End If
End Sub

    Dim flist As List = WildCardFilesList2(File.DirRootExternal,"*.log.0, *.txt",True, True)
    For i = 0 To flist.Size -1
        Dim filename As String = flist.Get(i)
        Log(flist.Get(i))
    Next