# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"^.+>[\d]\s(?P<Date>\d{4}-\d{2}-\d{2})T(?P<Time>\d{2}:\d{2}:\d{2}).+firewall,info\s(?P<RadUser>\d+).+in:(?P<InputInterface>[^,]+)\s+out:(?P<OutputInterface>[^,]+),\s+(?:src-mac\s+(?P<SourceMacAddress>[^,]+),\s+)?proto\s+(?P<Protocol>\w+)(?:\s+\((?P<Flags>[^)]+)\))?,\s+\[?(?P<SrcIP>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[a-f\d:]+)\]?(?::(?P<SrcPort>\d+))?->\[?(?P<DstIP>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[a-f\d:]+)\]?(?::(?P<DstPort>\d+))?,\s(?P<NAT>\w+)\s\((?P<SrcIpLocalNat>\b(?:\d{1,3}\.){3}\d{1,3}\b):(?P<SrcPortLocalNat>\d+)->(?P<SrcIpPublicNat>\b(?:\d{1,3}\.){3}\d{1,3}\b):(?P<SrcPortPublicNat>\d+)\)->(?P<DestIpNat>\b(?:\d{1,3}\.){3}\d{1,3}\b):(?P<DestPortNat>\d+),.+"
test_str = ("<13>1 2022-05-17T09:10:28.290795-03:00 firewall,info 1727618 - - - 1727618 customlog: in:VLAN99 out:ether2_WAN_Intercorp, src-mac 50:8e:49:7f:b1:68, proto TCP (ACK,FIN), 10.59.0.8:37438->142.251.129.163:443, NAT (10.59.0.8:37438->189.28.49.7:37438)->142.251.129.163:443, len 52\n\n"
"<13>1 2022-05-17T09:18:05.103720-03:00 firewall,info 620254 - - - 620254 customlog: in:VLAN99 out:ether2_WAN_Intercorp, src-mac d0:04:01:8a:ee:7f, proto UDP, 10.59.0.9:42331->172.217.173.110:443, NAT (10.59.0.9:42331->189.28.49.7:42331)->172.217.173.110:443, len 743\n")
matches = re.search(regex, test_str)
if matches:
print ("Match was found at {start}-{end}: {match}".format(start = matches.start(), end = matches.end(), match = matches.group()))
for groupNum in range(0, len(matches.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = matches.start(groupNum), end = matches.end(groupNum), group = matches.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
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