#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)Køretøjsliste for \d{7} for dato \d{2}.\d{2}.\d{4} - \d{2}.\d{2}.\d{4}.xls"
Local $sString = "Køretøjsliste for 4874349 for dato 31.01.2020 - 01.05.2020.xls" & @CRLF & _
"Køretøjsliste for 4874351 for dato 30.02.2021 - 03.10.2021.xls" & @CRLF & _
"Køretøjsliste for 4874352 for dato 29.03.2022 - 09.06.2022.xls" & @CRLF & _
"Køretøjsliste for 4874353 for dato 28.04.2022 - 11.09.2022.xls" & @CRLF & _
"Køretøjsliste for 4874354 for dato 27.05.2022 - 15.12.2022.xls" & @CRLF & _
"Køretøjsliste for 4874355 for dato 26.06.2023 - 22.07.2023.xls" & @CRLF & _
"Køretøjsliste for 4874356 for dato 25.07.2022 - 27.08.2022.xls" & @CRLF & _
"Køretøjsliste for 4874357 for dato 24.09.2029 - 28.12.2029.xls" & @CRLF & _
"Køretøjsliste for 4874358 for dato 11.10.2015 - 29.10.2015.xls" & @CRLF & _
"Køretøjsliste for 4874359 for dato 04.11.2024 - 30.11.2025.xls" & @CRLF & _
"Køretøjsliste for 4874360 for dato 01.12.2028 - 31.12.2029.xls"
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