import Foundation
// WARNING: You included a flag that Swift doesn't support: u
// When this flag is set, it makes the pattern and subject strings to be treated as unicode.
// Swift already treats the pattern and subject strings as unicode by default, so including this flag is redundant.
let pattern = #"(?=.)(?=(\p{Cn}))?(?=(\p{Cc}))?(?=(\p{Cf}))?(?=(\p{Co}))?(?=(\p{Cs}))?(?=(\p{Lu}))?(?=(\p{Ll}))?(?=(\p{Lt}))?(?=(\p{Lm}))?(?=(\p{Lo}))?(?=(\p{Mn}))?(?=(\p{Me}))?(?=(\p{Mc}))?(?=(\p{Pd}))?(?=(\p{Ps}))?(?=(\p{Pe}))?(?=(\p{Pc}))?(?=(\p{Po}))?(?=(\p{Pi}))?(?=(\p{Pf}))?(?=(\p{Sm}))?(?=(\p{Sc}))?(?=(\p{Sk}))?(?=(\p{So}))?(?=(\p{Zs}))?(?=(\p{Zl}))?(?=(\p{Zp}))?"#
let regex = try! NSRegularExpression(pattern: pattern, options: .dotMatchesLineSeparators)
let testString = #"Hello 270 -,+?"#
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