# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"\bwin(?:dows)?(?:\s+server)?(?:\s*(?:200[38]|201[269]))?\b"
test_str = ("microsoft windows 2016\n"
"win2016\n"
"win2012\n"
"windows 2012\n"
"windows server 2012\n"
"windows server 2008 r2\n"
"windows server 2008\n"
"windows 2019\n"
"windows 2012 r2 std\n"
"win2003\n"
"windows server 2003\n"
"windows 2003")
matches = re.finditer(regex, test_str, re.MULTILINE)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.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