有没有办法在Ruby中解码q编码的字符串？ [英] Is there a way to decode q-encoded strings in Ruby?

问题描述

  =？UTF -8？Q？J = 2E_Pablo_Fern = C3 = A1ndez？= 
  

有没有办法解码在Ruby中？

解决方案

我用这个来解析电子邮件主题： p>

您可以尝试以下操作：

  str ==？UTF- 8？Q？J = 2E_Pablo_Fern = C3 = A1ndez？=
如果m = / = \？（[A-Za-z0-9\  - ] +）\？（B | Q） \\？（[！ - > @  - 〜] +）\？= / i.match（str）
 case m [2] 
当B＃Base64编码
解码= Base64.decode64（m [3]）
当Q＃Q编码
 decoding = m [3] .unpack（M）。first.gsub（'_'，''） 
 else 
p找不到关键字!!! 
 end 
 Iconv.conv（'utf-8'，m [1]，decode）＃转换为utf-8 
 end 
  / pre> 
I'm working with mails, and names and subjects sometimes come q-encoded, like this:
=?UTF-8?Q?J=2E_Pablo_Fern=C3=A1ndez?=
Is there a way to decode them in Ruby? It seems TMail should take care of it, but it's not doing it.
解决方案
I use this to parse email subjects:

You could try the following:
str = "=?UTF-8?Q?J=2E_Pablo_Fern=C3=A1ndez?="
if m = /=\?([A-Za-z0-9\-]+)\?(B|Q)\?([!->@-~]+)\?=/i.match(str)
        case m[2]
        when "B" # Base64 encoded
          decoded = Base64.decode64(m[3])
        when "Q" # Q encoded
          decoded = m[3].unpack("M").first.gsub('_',' ')
        else
          p "Could not find keyword!!!"
        end
        Iconv.conv('utf-8',m[1],decoded) # to convert to utf-8
end


                        
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