import java.util.regex.Matcher;import java.util.regex.Pattern;public class RemoveStrChinese {    private static String REGEX_CHINESE = "[\u4e00-\u9fa5]";// 中文正则        public static void main(String[] args) {        String str = "中文123中文qwer";        // 去除中文//        Pattern pat = Pattern.compile(REGEX_CHINESE);//        Matcher mat = pat.matcher(str);//        String string = mat.replaceAll("");                String string = str.replaceAll(REGEX_CHINESE, "");        System.out.println(string);    }}