# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"[\r\n](# DO NOT TOUCH BEGIN[\n\r])?auto[ \t]+vmbr10[ \t]*[\n\r](?:[ \t]*.*[\n\r])*?[ \t]*bridge_maxwait[ \t]+0[ \t]*([\n\r]# DO NOT TOUCH END[\n\r])?"
test_str = ("auto vmbr9\n"
"iface vmbr9 inet static\n"
" address 10.109.0.2\n"
" netmask 255.255.0.0\n"
" bridge_ports none\n"
" bridge_stp off\n"
" bridge_fd 0\n"
" bridge_maxwait 0\n\n"
"auto vmbr10\n"
"iface vmbr10 inet static\n"
" up echo 1 > /sys/devices/virtual/net/vmbr10/bridge/multicast_snooping\n"
" up echo 0 > /sys/class/net/vmbr10/bridge/multicast_querier\n"
" address 10.111.0.2\n"
" netmask 255.255.0.0\n"
" bridge_ports none\n"
" bridge_stp off\n"
" bridge_fd 0\n"
" bridge_maxwait 0\n"
" post-up ip addr add 10.111.0.254/16 dev vmbr10")
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