我有以下网址，其中value（C＃）包含特殊内容
字符（＃）：
url <- "https://www.myurl.com/test?req=[{\"geo\":{},\"kw\":{\"keyword\":[{\"type\":\"BROAD\",\"value\":\"C#\"}]}}]"
使用URLencode()我希望将 C＃转换为 C％23
得到：
"https://www.myurl.com/test?req=[%7B%22geo%22:%7B%7D,%22kw%22:%7B%22keyword%22:[%7B%22type%22:%22BROAD%22,%22value%22:%22C%23%22%7D]%7D%7D]"
#> [1] "https://www.myurl.com/test?req=[%7B%22geo%22:%7B%7D,%22kw%22:%7B%22keyword%22:[%7B%22type%22:%22BROAD%22,%22value%22:%22C%23%22%7D]%7D%7D]"
但是，我得到了：
URLencode(url)
#> [1] "https://www.myurl.com/test?req=[%7B%22geo%22:%7B%7D,%22kw%22:%7B%22keyword%22:[%7B%22type%22:%22BROAD%22,%22value%22:%22C#%22%7D]%7D%7D]"
我尝试使用reserved参数但没有成功。有没有办法对url进行编码以获得我期待的内容？