斯堪的纳维亚字符在go-lang go-instagram API绑定中不起作用

问题描述：

Hi I'm trying to wrap my head around what seems to be a problem with multibyte support in this open source library (https://github.com/carbocation/go-instagram/). I am using the code below to retrieve information about the tag blue in swedish. How ever I get an empty array when trying.

fmt.Println("Starting instagram download.")
client := instagram.NewClient(nil)
client.ClientID = "myid"
media, _, _ := client.Tags.RecentMedia("blå", nil)
fmt.Println(media)

I have tried using the api trough the browser and there are several pictures tagged with the tag. I have also tried using the code snippet with tags in English like blue and that returns the latest pictures as well. I would be glad if any one could explain why this might happen. Id like to update the lib so it supports multi-byte but I haven't got the go knowledge required. Is this a go problem or a problem with the library?

Thank you

嗨，我正在努力解决这个开源库中支持多字节的问题（ https://github.com/carbocation/go-instagram/ ）。我正在使用下面的代码来检索有关瑞典蓝色标签的信息。 p>

  fmt.Println（“正在启动instagram下载。”）
client：= instagram.NewClient（nil）
client.ClientID =  “ myid” 
media，_，_：= client.Tags.RecentMedia（“blå”，nil）
fmt.Println（media）
  code>  pre> 
 
 我尝试过 使用浏览器中的api，有几张用标签标记的图片。 我还尝试过将代码片段与英语标签（例如蓝色）一起使用，它也会返回最新图片。 如果有人能解释为什么会发生，我将很高兴。 我想更新该库，以便它支持多字节，但是我还没有所需的知识。 这是执行问题还是库问题？   p> 
 
 
谢谢 p> 
  div>

答

The problem is in validTagName():

// Strip out things we know Instagram won't accept. For example, hyphens.
func validTagName(tagName string) (bool, error) {
    //\W matches any non-word character
    reg, err := regexp.Compile(`\W`)
    if err != nil {
        return false, err
    }

    if reg.MatchString(tagName) {
        return false, nil
    }

    return true, nil
}

In Go, \W matches precisely [^0-9A-Za-z_]. This validation check is incorrect.

斯堪的纳维亚字符在go-lang go-instagram API绑定中不起作用

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