I do not want to separate upper and lower case letters #include <Array.au3> #include <ButtonConstants.au3> #include <EditConstants.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> Dim $aEditRead $Form1 = GUICreate("Form1", 581, 352, 192, 125) $Edit1 = GUICtrlCreateEdit("", 24, 32, 145, 225) GUICtrlSetData(-1, "Autoit" & @CRLF & "autoit" & @CRLF & "autoitscript" & @CRLF & "aut