#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "^(?:[^,]*\,){7}[\s]*(?P<SOURCE_PEER_IP>[\d\w\.:\-_;]+),"
Local $sString = "[1508738666710] sdclab010-10-site-1,,TT-0,Diameter,ULA,2001,sdclab010-10-site-1-2_cpf1,sdclab010-10-site-1-2_cpf1:3868,DRA101.epc.mnc002.mcc250.3gppnetwork.org,10.2.37.109,,RT-0,SB-0,,outTR-0,mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114,4,<ULA P C316 A16777251 H3963173446 E926568828 S8><Session-Id M mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114/><Origin-Host M PCRF1/><Subscription-Id-Data M No Subscription Id Data/><Framed-IP-Address M No Framed Ip Address/><Product-Name Some Product Name/><Result-Code M 2001/><Origin-Realm M traffixsystems.com/><Auth-Application-Id M 16777251/></ULA>"
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