import Foundation
let pattern = #"^[A-Za-z0-9а-яА-Я\._-]+@([A-Za-z0-9а-яА-Я]{1,2}|[A-Za-z0-9а-яА-Я]((?!(\.\.))[A-Za-z0-9а-яА-Я.-])+[A-Za-z0-9а-яА-Я])\.[A-Za-zа-яА-Я]{2,}$"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"Привет@пока.рф"#
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