test.py

# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility

import re

regex = r"\\begin{vote}([\s\S]*)\\end{vote}"

test_str = (
    " \\begin{vote}\n"
    "   \\voteMoney{}  % {Betrag (ohne \\EUR)} nur bei Finanzantrag, sonst leer lassen\n"
    "   \\voteNumber{1}  % {#Antrag}\n"
    "   \\voteText{Der FSR schlägt Soham Nandy als Vertreter für den Zugangsausschuss CSE dem Fakultätsrat zur Wahl vor}\n"
    "   \\voting{}{}{}  % {#Dafür}{#Dagegen}{#Enth.}, leer lassen für 'ohne Gegenrede angenommen'\n"
    "   \\voteComment{}  % optional\n"
    " \\end{vote}"
)

matches = re.finditer(regex, test_str, re.MULTILINE)

print(re.findall(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.