#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "([0-9]+\s+ok\s+[0-9]+\s+nok).*?(ltelidt|eiflmrj5)"
Local $sString = "605sd25 schklog_1FS 13 ok 1 nok 106m 24_R23F eiflmrj5 d1us41 fd1d tm1500 o1t2enb1010 2m 2016-02-18 23:30:34 2016-02-19 07:14:01" & @CRLF & _
""
Local $sSubst = ""
Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst)
MsgBox($MB_SYSTEMMODAL, "Result", $sResult)
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm