# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(warning|error|note|help)(?:\[(.*)\])?\: (.*)\s+--> (.*):(\d+):(\d+)\n(?:((?:.+\n)+)\.+)?(?:[\d\s]+\|.*)*((?:\s+=.*)+)?"
test_str = ("Compiling sample v0.1.0 (file:///home/sample/src/sample.rs)\n"
"error: cannot borrow immutable local variable `buffer` as mutable\n"
"--> src/sample.rs:29:32\n"
"|\n"
"26 | let buffer = String::new();\n"
"| ------ use `mut buffer` here to make mutable\n"
"...\n"
"29 | while ifile.read_line(&mut buffer).unwrap() > 0 {\n"
"| ^^^^^^ cannot borrow mutably\n\n"
"error: cannot borrow immutable local variable `buffer` as mutable\n"
"--> src/sample.rs:39:9\n"
"|\n"
"26 | let buffer = String::new();\n"
"| ------ use `mut buffer` here to make mutable\n"
"...\n"
"39 | buffer.clear();\n"
"| ^^^^^^ cannot borrow mutably\n\n"
"error[E0384]: re-assignment of immutable variable `buffer`\n"
"--> src/sample.rs:30:9\n"
"|\n"
"26 | let buffer = String::new();\n"
"| ------ first assignment to `buffer`\n"
"...\n"
"30 | buffer = buffer.replace(\"\\n\", \"\");\n"
"| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ re-assignment of immutable variable\n\n"
"error: aborting due to 3 previous errors\n\n"
"error: Could not compile `sample`.\n\n"
"To learn more, run the command again with --verbose.")
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