#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)loc=((?:(?!\s,).)*)"
Local $sString = "loc=/abc/flows/timespan/2021-08-10T11:35:00+00:00_2021-08-10T12:35:00+00:00/ip_initiate/10.101.10.20/data.ext" & @CRLF & _
"" & @CRLF & _
"loc=\"{\"type\":1,\"namespace\":\"flows\",\"appIds\":\"10,11,12\",\"path_bar\":\"[\\\"ip_initiate=10.1.120.11\\\"]\",\"2021-08-10T11:35:00+00:00_2021-08-10T12:35:00+00:00\\/ip_initiate\\/10.1.120.11\\/http_code\\/200\",\"restrict\":null}\"", day=xyz" & @CRLF & _
"" & @CRLF & _
"loc=\"{\"type\":1,\"namespace\":\"flows\",\"appIds\":\"10,11,12\",\"path_bar\":\"[\\\"ip_initiate=10.1.120.11\\\"]\",\"2021-08-10T11:35:00+00:00_2021-08-10T12:35:00+00:00\\/ip_initiate\\/10.1.120.11\\/http_code\\/200\",\"restrict\":null}\"", ip=10.10.10.10" & @CRLF & _
"" & @CRLF & _
"loc=\"/timespan/2021-09-12T14:21:00/ip_responder/10.10.10.10/,country=xyz,dns=example.com,http:code=2548:111:0:0:0:0:182.25.236.2:10\""
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