import Foundation
let pattern = #"^(?<timestamp>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z) (?<level>\w+) (?<servicename>(\w+|\-))\[(?<uniquething>[A-F\d]+)\] \[(?<function>Originator@\d+) sub=(?<subsys>\S+)\] (?<body>.*)$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
2017-05-04T14:46:44.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] Logging uses fast path: false
2017-05-04T14:46:45.163Z Section for PyVsanMOPropProvider, pid=68004, version=0.1, build=5310541, option=Release
2017-05-04T14:46:46Z mark: storage-path-claim-completed
2017-05-04T14:46:47.163Z verbose vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] Dumping early logs:
------ Early init logs start --------
2017-05-04T14:46:47.163Z info -[7AFFC9DB20] [Originator@6876 sub=Default] Glibc malloc guards disabled.
2017-05-04T14:46:47.163Z info -[7AFFC9DB20] [Originator@6876 sub=Default] Initialized SystemFactory
------ Early init logs end --------
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] Logging uses fast path: false
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] The bora/lib logs WILL be handled by VmaCore
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] Initialized channel manager
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=Default] Current working directory: /var/log/vmware
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=ThreadPool] Catch work item exceptions disabled.
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=FairScheduler] Priority level 4 is now active.
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=WorkQueue.vmacoreDefaultIOCompletionQueue] Created: WorkQueue.vmacoreDefaultIOCompletionQueue, type = fair, priority = 4 , itemWeight = 1
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=FairScheduler] Priority level 8 is now active.
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=WorkQueue.vmacoreDefaultIOQueue] Created: WorkQueue.vmacoreDefaultIOQueue, type = fair, priority = 8 , itemWeight = 1
2017-05-04T14:46:47.163Z info vsansystem[7AFFC9DB20] [Originator@6876 sub=FairScheduler] Priority level 16 is now active.
"""#
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