# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"Overlord([^\w])+(\w+)([^\w]+|)([0-9])+(\W*)"
test_str = ("Overlord Vol. 1: The Undead King\n"
"Overlord, Volume 1: The Undead King\n"
"Overlord, Vol 1: The Undead King\n"
"Overlord, Vol1: The Undead King\n"
"Overlord Vol1: The Undead King\n"
"Overlord: Volume 1: The Undead King\n"
"Overlord- Volume 1: The Undead King\n"
"Overlord Vol1: The Undead King\n"
"Overlord Vol 45\n"
"Overlord Vol 02\n"
"The Bad Volume are too high\n"
"Overlord Vol12: The Undead King\n"
"Overlord - Volume 17")
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