# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?P<function>def\s+(?P<function_name>\w+)\s*\((?P<parameters>(?:.|\n)*?)\):\s*(?:\n[ \t]+.*?)*\n)"
test_str = ("def sample_function1(arg1, arg2):\n"
" result = arg1 + arg2\n"
" if result > 10:\n"
" print(\"Greater than 10\")\n"
" else:\n"
" print(\"Not greater than 10\")\n"
" return result\n\n"
"def sample_function2(arg1, arg2):\n"
" result = arg1 - arg2\n"
" if result < 0:\n"
" print(\"Negative result\")\n"
" else:\n"
" print(\"Non-negative result\")\n"
" return result\n\n"
"def sample_function3(arg1, \n"
" arg2):\n"
" result = arg1 + arg2\n"
" if result > 10:\n"
" print(\"Greater than 10\")\n"
" else:\n"
" print(\"Not greater than 10\")\n"
" return result\n\n"
"class SampleClass1:\n"
" def __init__(self, arg1, arg2):\n"
" self.arg1 = arg1\n"
" self.arg2 = arg2\n\n"
" def sample_method1(self):\n"
" result = self.arg1 + self.arg2\n"
" return result\n\n"
"class SampleClass2:\n"
" def __init__(self, \n"
" arg1, \n"
" arg2):\n"
" self.arg1 = arg1\n"
" self.arg2 = arg2\n\n"
" def sample_method1(self):\n"
" result = self.arg1 + self.arg2\n"
" return result\n")
matches = re.finditer(regex, test_str)
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