isValidEmail string extension for swift 3

gistfile1.txt

  var isValidEmail: Bool {
        do {
            let regex = try NSRegularExpression(pattern: "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,6}", options: .caseInsensitive)
            return (regex.firstMatch(in: self, options: [], range: NSMakeRange(0, self.characters.count)) != nil)
        } catch {
            debugPrint(error.localizedDescription)
            return false
        }
    }