Email & Phone Validation in Swift

Question

i am using the following code for phone number validation. But i am getting the following error. I cant able to proceed further. Help us to take it forward.

Answer 1

Phone regex only for ّIran phone number

func isValidPhone(phone: String) -> Bool {

        let PHONE_REGEX = "^09[0-9'@s]{9,9}$"
        let phoneTest = NSPredicate(format: "SELF MATCHES %@", PHONE_REGEX)
        let result =  phoneTest.evaluate(with: phone)
        return result

    }