Email Validation in iOS

#pragma mark email validation

-(BOOL)validateEmail:(NSString*)email{

    

    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];

    BOOL isValid = [emailTest evaluateWithObject:email];

    return isValid;

}