import Foundation
let pattern = ##"""
([0-9]{6}\^[0-9]{4})\^#departure time(local time)
([0-9]{6}\^[0-9]{4})\^#arrival time(local time)
(\b[A-Z]{3}\b)\^.*?\^(\b[A-Z]{3}\b)#dep and dst airports
\^.*?\^[A-Z0-9]{2}\^([A-Z0-9]{2}\^\^[0-9]+)#flight number
\^.*?#
\^(.?)\^\^#flight class, ex. M=economy class
"""##
let regex = try! NSRegularExpression(pattern: pattern, options: .allowCommentsAndWhitespace)
let testString = #"^^010914^1640^020914^0745^MIA^^FRA^1^LH^LH^^463^388^S^M^^LCA^Y^2^^020914^1230^020914^1320^FRA^1^BSL^^LH^CL^^1204^E90^S^M^^LCA^Y^^^^^^^^^^^^^^^^^^^^^1305^LX^3^^120914^1040^120914^1156^ZDH^^ZRH^^LX^LX^^7409^TRN^S^M^^LCA^Y^4^^120914^1320^120914^1745^ZRH^^MIA^^LX^LX^^64^333^S^M^^LCA^Y^^^^^^^^^^^^^^^^^^^^^"#
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