# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?:(?:[\s-]*\d{2}-\d{2}-\d{4})+)?\s*(?<amount>-*\d+,\d+)\s*$"
test_str = (" 31-12-2019 Forfait 01-01-2019 - 31-12-2019 -29,00 \n"
"31-12-2019Forfait 01-01-2019 - 31-12-201950,00\n"
"31-12-2019Mercedes-500,00\n"
"31-12-2019Client10 700,00\n"
"31-12-2019Comptoir17 50,00\n\n"
"// edge cases\n"
"31-12-2019Client 10700,00\n"
"31-12-2019Client 10-700,00\n"
"31-12-2019Client 10 700,00\n"
"31-12-2019Comptoir 1750,00\n"
"31-12-2019Comptoir 17-50,00\n"
"31-12-2019Comptoir 17 50,00\n\n"
"// versions related to [https://regex101.com/r/7TdghZ/1] ...\n\n"
"^\\s*(?<date>\\d{2}-\\d{2}-\\d{4})\\s*(?<text>[^\\s-]+(?:(?:[\\s-]*\\d{2}-\\d{2}-\\d{4})+)?)\\s*(?<amount>-*\\d+,\\d+)\n\n"
"(?<date>\\d{2}-\\d{2}-\\d{4})\\s*(?<text>[^\\s-]+(?:(?:[\\s-]*\\d{2}-\\d{2}-\\d{4})+)?)\\s*(?<amount>-*\\d+,\\d+)\\s*$\n\n"
"// final version\n"
"(?:(?:[\\s-]*\\d{2}-\\d{2}-\\d{4})+)?\\s*(?<amount>-*\\d+,\\d+)\\s*$\n")
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