I agree with davido - your question is too vague. What I see in the OP are hexadecimal entity references for Chinese characters. Maybe you have entity references to other non-ASCII characters as well? If you just want to delete all such entity references: 
    s/\&#x\w+;//g;

[download]
(Note that the number of hex digits per character may vary.) In the case of the OP data sample, that regex leaves 7 lines that are either empty or contain just hyphens and/or spaces.

In reply to Re: How to remove wide chars (ex: 年 or &#x6216) from a text file? by graff
in thread How to remove wide chars (ex: 年 or &#x6216) from a text file? by Anonymous Monk

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