# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(\w* \w*)(?<!no other) bag"
test_str = ("light red bags contain 1 bright white bag, 2 muted yellow bags.\n"
"dark orange bags contain 3 bright white bags, 4 muted yellow bags.\n"
"bright white bags contain 1 shiny gold bag.\n"
"muted yellow bags contain 2 shiny gold bags, 9 faded blue bags.\n"
"shiny gold bags contain 1 dark olive bag, 2 vibrant plum bags.\n"
"dark olive bags contain 3 faded blue bags, 4 dotted black bags.\n"
"vibrant plum bags contain 5 faded blue bags, 6 dotted black bags.\n"
"faded blue bags contain no other bags.\n"
"dotted black bags contain no other bags.")
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