java统计汉字字数

public class TongJiHanZi {
     public static int count(String text) {
         String Reg="^[\u4e00-\u9fa5]{1}$";//正则
         int result=0;
         for(int i=0;i<text.length();i++){
          String b=Character.toString(text.charAt(i));
          if(b.matches(Reg))result++;
         }
         return result;
     }
     public static void main(String[] args) {
         String  text = "汉字汉字仮名かなカナ 0189 azAZ ./ ";
         System.out.println(count(text));
     }

}