#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)status\\\":(?<status>\d+)"
Local $sString = "{"timestamp":"2022-03-04T11:04:41.143Z","message":"ABCDEFG :::{\"status\":200,\"headers\":" & @CRLF & _
"" & @CRLF & _
"{"timestamp":"2022-03-05T11:02:41.143Z","message":"ABCDEFG :::{\"status\":400,\"headers\":" & @CRLF & _
"" & @CRLF & _
"{"timestamp":"2022-03-02T11:05:41.143Z","message":"ABCDEFG :::{\"status\":500,\"headers\":"
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