# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"^\s*(?:(?:kind(?:est)* )*regards?|cheers?|greetings?|thanks|thank you)\b,?.*[\r\n]{0,2}.*(?:[.!?: ]*|$)"
test_str = ("cheers!\n"
"cheers.\n\n"
"regards\n\n"
"timmy\n\n"
"kindest regards,\n"
"SomeUser\n\n"
"greetings,\n"
"Jimmy\n\n"
"Kindest regards Rasmus\n"
"--\n"
"Kindest regards,\n\n"
"Garry McAnswerer\n"
"--\n\n"
"Thanks,\n\n"
"Matt\n\n"
"Thanks a head of time\n"
"Kris\n\n"
"Thank you all,\n"
"Joe\n\n"
"Cheers,\n\n"
"WARNING: This regex currently removes ALL text in the next non-blank line following the beginning of a \"complimentaryClose\", up to 2 lines after. This may stil be too greedy.\n\n"
"LEAVE:\n\n"
"Regarding your first question...\n\n"
"This worked OK:\n\n"
"/[\\r\\n]*(?:(?:kind(?:est)* )*regards|cheers?|greetings?),?[\\t\\f ]*[\\r\\n]*\\w*(?:[,.!?: ]*|$)/gi")
matches = re.finditer(regex, test_str, re.IGNORECASE | 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