import Foundation
let pattern = #"Measurement\=\"(?<Measurement_0>[^,]*),(?<Measurement_1>[^,]*),(?<Measurement_3>[^,]*),(?<Measurement_4>[^,]*),(?<Measurement_5>[^,]*),(?<Measurement_6>[^,]*),(?<Measurement_7>[^,]*),(?<Measurement_8>[^,]*),(?<Measurement_9>[^,]*),(?<Measurement_10>[^,]*)"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #" 2017-10-18 16:59:30.943, MetaDataFoo="ValueFoo", Event_Time="2017-10-18 16:59:30.943", Measurement="45.89502,44.895,44.99505,44.89502,44.89502,45.42877,45.96756,46.09344,46.22437,46.315""#
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