import Foundation
let pattern = ##"""
^(
( # 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
(wheezy|jessie|stretch|sid|trusty|xenial|yakkety|zesty)_
)
|
((?<!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>
)
)$
"""##
let regex = try! NSRegularExpression(pattern: pattern, options: .allowCommentsAndWhitespace)
let testString = #"qtox_pkg_linux_deb_shared_jessie_x86_stable_release"#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression