判断汉字和英文

    public static void main(String[] args) {
        String aa="eng汉字,，.123ｄｓ";
        char[] charArray = aa.toCharArray();
        for (char c : charArray) {
            String cnorEn = isCnorEn(c);
            System.out.println(c+":"+cnorEn);
        }
    }
    static String isCnorEn(char c){
        if(c >= 0x0391 && c <= 0xFFE5) //中文字符
            return "中文";
        if(c>=0x0000 && c<=0x00FF){ //英文字符
            return "eng";
        }
        return "else";
    }

https://www.cnblogs.com/go4mi/p/6032504.html