#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(\b\d{5})((##DEU-Akten|[PZ] ?DEU)|(##Schutzerstreckungen|W ?WOS)|(##Widerspruch|[BRK] ?([A-Z]{2}|[MZ][123]|R1|T[12])([-_]?([A-Z]{2}|[MZ][123]|R1|T[12]))?(-?\d+)?(\.?\d+)?)|(##mitLand|([PZGDWSEL]|[NVYTXCUAK]) ?((((HK-?CN)|(([A-Z]{2}|[MZ][123]|R1|T[12])(-?EP|-?EM|-?AP|-?OA)?))(-?WO|-?W\d+?)?|S))(-?\d+)?)|((##ohneLand|[NVYTXCUAK])(-?\d+)?))"
Local $sString = "62877K"
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