IE 10用户代理字符串末尾的6个字符是什么?

Ra.*_*Ra. 7 internet-explorer user-agent touch windows-8

IE 10用户代理字符串末尾的6个字符是什么?以下是一些示例:

"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; Touch; MATPJS)"
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; Touch; ASU2JS)"
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; Touch; MALNJS)"
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; Touch; MDDCJS)"
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