import Foundation
let pattern = #"""
(?x)^\/git\/
(
.*\/
(
HEAD|
info\/refs|
objects\/
(
info\/[^\/]+|
[0-9a-f]{2}\/[0-9a-f]{38}|
pack\/pack-[0-9a-f]{40}\.
(pack|idx)
)|
git-(upload|receive)-pack
)
)
"""#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
/git/sdf/HEAD
/git/blablabla/blabla/objects/info/sdfs
/git/daf/git-receive-pack
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let matches = regex.matches(in: testString, range: stringRange)
var result: [[String]] = []
for match in matches {
var groups: [String] = []
for rangeIndex in 1 ..< match.numberOfRanges {
let nsRange = match.range(at: rangeIndex)
guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue }
let string = (testString as NSString).substring(with: nsRange)
groups.append(string)
}
if !groups.isEmpty {
result.append(groups)
}
}
print(result)
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