import Foundation
let pattern = #"^(?<author>[A-Z](?:(?!$)[A-Za-z\s&.,'’])+)\.\s["“](?<title>[A-Z](?:(?!$)[A-Za-z\s&.,'’])+)\.["”]\s(?<container>[A-Z](?:(?!$)[A-Za-z\s&.,'’])+),\svol\.\s(?<volume>\d+),\sno\.\s(?<issue>\d+),\s(?<year>[0-9]{4,4}),\spp\.\s(?<pages>\d{1,4}[-–]\d{1,4})\."#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"Sanders, James A. “The Book of Job and the Origins of Judaism.” Biblical Theology Bulletin, vol. 39, no. 2, 2009, pp. 60–70. "#
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