public class TestRegex{
public static void main(String[] args) {
String strE = "kjdsksklf我拒绝的积极性积分 55ds55dgs5gxdbv56dgs";
String pattern = "[\\u4E00-\\u9FA5]+";
String[] splitStr = strE.split("");
for(String str:splitStr) {
if(Pattern.matches(pattern, str))
System.out.println(str);
}
}
}