import Foundation
let pattern = #"[A-Z\d]+"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"Pose purrfectly to show my beauty instantly break out into full speed gallop across the house for no reason. You call this cat food climb leg. Groom yourself 4 hours - checked, have your beauty sleep 18 hours - checked, be fabulous for the rest of the day - checked ask for petting chew on cable so meowzer cough hairball on conveniently placed pants. Steal the warm chair right after you get up pooping rainbow while flying in a toasted bread costume in space, mesmerizing birds. Purr while eating attack the dog then pretend like nothing happened tuxedo cats always looking dapper mice lick sellotape or sit in window and stare oooh, a bird, yum meow to be let out. abc123ABCabc"#
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