#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(?<Details>.+?)\s-\s\d{4}Z"
Local $sString = "P3820 Houston to A345 Atlanta Line Down - 1339Z 19 May - On-going - TKT39390423" & @CRLF & _
"P3820 Houston to A345 Atlanta Line Down - 1339Z 19 May - 0834Z 20 May - TKT39390423" & @CRLF & _
"P3820 Houston to A345 Atlanta Line Down - 1339Z 19 MAY - Ongoing - TKT39390423 - 1339Z 19 May - On-going - TKT39390423" & @CRLF & _
"P3820 Houston - A345 Atlanta Line Down - 1339Z 19 MAY - Ongoing - INC39390423, DIRJ LLO MM#:394039 - 1339Z 19 May - On-going - TKT39390423" & @CRLF & _
"P3820 Houston - A345 Atlanta Line Down - 1339Z 19 MAY - 1834Z MAY - INC39390423, DIRJ LLO MM#:394039 - 1339Z 19 May - 0834Z 20 May - TKT39390423"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH)
Local $aFullArray[0]
For $i = 0 To UBound($aArray) -1
_ArrayConcatenate($aFullArray, $aArray[$i])
Next
$aArray = $aFullArray
; Present the entire match result
_ArrayDisplay($aArray, "Result")
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