1 String text = "你好,,.。wo";
2 String Reg="^[\u4e00-\u9fa5]{1}$";//正则
3 int result=0;
4 for(int i=0;i<text.length();i++){
5     String b=Character.toString(text.charAt(i));
6     if(b.matches(Reg))
7         result++;
8     }
9 }

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