import Foundation
let pattern = #"(?<=\d)\t(?=\d)|\t(?=[A-Z@<:]{14})|(?<=[A-Z@<:]{14})\t"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
C42TMACXX:5:2316:15161:76101 163 1 @<@DFFADDDF:DD NH:i:1 HI:i:1 AS:i:200 nM:i:0
C42TMACXX:5:2316:15161:76101 83 1 CCCCCACDDDCB@B NH:i:1 HI:i:1 nM:i:1
C42TMACXX:5:1305:26011:74469 163 1 CCCFFFFFHHHHGJ NH:i:1 HI:i:1 AS:i:200 nM:i:0
"""#
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