How to remove various symbols between strings in Java

Remove various symbols between strings

String str=" [ abc/abc?u*t:e这个事情rt<enter>open（）；‘;|c;np\"ftrd nihao 你好 ]";
String str2=str.replaceAll("[^a-zA-Z_\u4e00-\u9fa5]", "");
System.out.println(str2);

The result is:

Explanation:

[^a-zA- Z_\u4e00-\u9fa5]This regular expression represents non (all except English letters, underscores, and Chinese characters)

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