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String str = "ÎÒ¥¯¥¹¥¯¥¹¤ÈЦ¤ï¤ì¤Á¤ã¤Ã¤¿ÃÇabd·¢ ";
str = str.replaceAll( "[^\u4e00-\u9fa5]+ ", " ");//¹ýÂË·ÇÖÐÎÄ×Ö·û£¬»»³ÉgbkµÄ±àÂ뷶Χ
System.out.println(str);