String regex = "[\\\u4E00-\\\u9FA5]+";
Matcher matcher = Pattern.compile(regex).matcher("是");
if(matcher.find()){
System.out.println(true);
}
String regex = "[\\\u4E00-\\\u9FA5]+";
Matcher matcher = Pattern.compile(regex).matcher("是");
if(matcher.find()){
System.out.println(true);
}
