import Foundation
let pattern = #"^(?<createdAt>\d+)?:?(?<uuids>(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}[,]?)+):(?<revisionHash>[a-f0-9]{32}):(?<json>.*)$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
Without creation date (backwards-compatibility):
92f1a31b-47ca-49c8-a8b7-dc4083cb4d82:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28],"5":[14]}
Without creation date (backwards-compatibility) with multiple UUIDs:
4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28]}
With creation date (backwards-compatibility) with multiple UUIDs:
1676837294:4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28]}
New format:
1676837294:4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"d":{"2":[15],"3":[28]},"bc":"main_all"}
"""#
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