import Foundation
let pattern = #"^(?:(?:S32\.(?:\w[25]|[1-35-8]\w)\w\w,?)+|(?:S32\.(?:\w[25]\w|4\w[1346-9])\w,?)+|(?:S32\.(?:\w[25]\w|4\w[235-9])\w,?)+|(?:S72\.(?:\w[14]\w|[0-8]\w[1346-9])\w,?)+|(?:S72\.(?:\w[14]\w|[0-8]\w[235-9])\w,?)+|(?:S72\.(?:[14]\w|9[1346-9])\w\w,?)+|(?:S72\.(?:[14]\w|9[235-9])\w\w,?)+)$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
S72.91XB,S72.92XB
S72.211A
S72.414A,S72.415A
S32.509A
S32.301A,S32.821A
S32.421A,S32.422A
S32.421A
S32.421A,S32.509A
"""#
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