String+Extension

String+Extension.swift

extension String {
    
    var isValidEmail: Bool {
        let emailFormat = ""
        let emailPredicate = NSPredicate(format: "SELF MATCHES %@", emailFormat)
        return emailPredicate.evaluate(with: self)
    }
    
    var isValidPassword: Bool {
        //Regex restricts to 8 character minimum, 1 capital letter, 1 lowercase letter, 1 number
        let passwordFormat = ""
        let passwordPredicate = NSPredicate(format: "SELF MATCHES %@", passwordFormat)
        return passwordPredicate.evaluate(with: self)
    }
    
}