#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)", -1)"
Local $sString = "DUS-FRONTARENA@20230904,SA_GREEKS_CRR2_ECB,SA_GREEKS_CRR2_ECB_USD,1100accf-4b74-475a-a9bd-9ccc6c434030,CRFRTBEAD,USD,5274107.002018,7000000000435111897,OFFICIAL_spot_0,NULL,NULL,NULL,NULL,NULL,TERNA - RETE ELETTRICA NAZIONALE SOCIETA' PER AZI,N,20230905104510489,NULL,USD,7000000000435111897,NULL" & @CRLF & _
"" & @CRLF & _
""
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH)
; Present the entire match result
_ArrayDisplay($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