Wie wärs denn mit: _ArraySearch()
Oder such doch direkt in deinem Excel:
Spoiler anzeigen
[autoit]
Local $sFilePath = 'Pfad.xls'
Local $sSuchbegriff = 'Suche'
Local $oExcel = ObjCreate("Excel.Application")
$oExcel.Visible = 0
Local $oBook = $oExcel.Workbooks.Open($sFilePath)
Local $oSheet = $oBook.Sheets(1)
Local $Zelle, $Address = 0
$Zelle = $oSheet.UsedRange.Find($sSuchbegriff)
If $Zelle <> '' Then $Address = $Zelle.Address