Email and password validation

Validation.swift

extension String {
    var isValidEmail: Bool {
        let emailFormat = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
        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 lowercased letter, 1 number
        let passwordFormat = "(?=.*[A-Z])(?=.*[0-9])(?=.*[a-z]).{8,}"
        let passwordPredicate = NSPredicate(format: "SELF MATCHES %@", passwordFormat)
        return passwordPredicate.evaluate(with: self)
    }
}