IOS判断邮箱地址

正则表达式判断邮箱地址

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

    
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    
    return [emailTest evaluateWithObject:email];
    
}