import re
regex = re.compile(r"(\",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)\", -1)")
test_str = ("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\n\n")
match = regex.search(test_str)
if match:
print(f"Match was found at {match.start()}-{match.end()}: {match.group()}")
for group_num, group in enumerate(match.groups(), start=1):
print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")
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 Python, please visit: https://docs.python.org/3/library/re.html