# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"""
^(
( # define some frequently used capture groups
(?!x)x # always false ("match only if there is no 'x' ahead and there is 'x' ahead")
(?<name>[^_]+) # group "name", name of the program/library
(?<os>windows|linux|osx|android) # group "os", operating systems
(?<arch>x86-64|x86|arm64|armhf|armel|multiarch) # group"arch", architectures
(?<buildtype>release|debug) # group"buildtype", build types
(?<linking>shared|static|mixed) # group "linking", library linking/build types
)
|
( # regular executable builds
(?!lib)\g<name>_build_\g<os>_\g<arch>_\g<buildtype>
)
|
( # library builds
lib\g<name>_build_\g<os>_\g<arch>_\g<linking>_\g<buildtype>
)
|
( # syncing source code of a project from git or something else
\g<name>_src
)
|
( # static code analizer
\g<name>_analyze_(cppcheck|scan-build)
)
|
( # package builds
\g<name>_pkg_\g<os>_
(
((?<=linux_) # if there is "linux_" before here
# then match
(deb|rpm)_
(shared|static)_
(
((?<=deb_shared_) # if there is "deb_shared_" before here
# then match
(jessie|stretch|buster|sid|xenial|yakkety|zesty|artful)_
)
|
((?<!deb_shared_) # if there is no "deb_shared_", don't match anything
)
)
)
|
((?<!linux_) # if there is no "linux_", don't match anything
)
)
\g<arch>_(stable|nightly)_\g<buildtype>
)
)$
"""
test_str = "qtox_pkg_linux_deb_shared_jessie_x86_stable_release"
matches = re.search(regex, test_str, re.VERBOSE)
if matches:
print ("Match was found at {start}-{end}: {match}".format(start = matches.start(), end = matches.end(), match = matches.group()))
for groupNum in range(0, len(matches.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = matches.start(groupNum), end = matches.end(groupNum), group = matches.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