import Foundation
let pattern = #"""
(
[A-Z][A-Z]\d\d[A-Z]\[
(\*
|
(
(
(\d|\d\d)-(\d|\d\d)
)
|
(\d|\d\d)
)
)
\]
(,|$)
)+
"""#
let regex = try! NSRegularExpression(pattern: pattern, options: .allowCommentsAndWhitespace)
let testString = #"RA01D[1-1],RA01D[17-17],RA01D[2-2],RA01D[18-18]"#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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