/**
   * 頂級域名判斷；如果要忽略大小寫，可以直接在傳入引數的時候toLowerCase()再做判斷
   * @param str
   * @return
   */
  public static boolean isTopURL(String str){
      //轉換為小寫
      str = str.toLowerCase();
      String domainRules = "com.cn|net.cn|org.cn|gov.cn|com.hk|公司|中國|網路|com|net|org|int|edu|gov|mil|arpa|Asia|biz|info|name|pro|coop|aero|museum|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cf|cg|ch|ci|ck|cl|cm|cn|co|cq|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|eh|es|et|ev|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gp|gr|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|ml|mm|mn|mo|mp|mq|mr|ms|mt|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|va|vc|ve|vg|vn|vu|wf|ws|ye|yu|za|zm|zr|zw";
      String regex = "^((https|http|ftp|rtsp|mms)?://)" 
              + "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]

[email protected])?" //ftp的[email protected] 
             + "(([0-9]{1,3}\\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184 
               + "|" // 允許IP和DOMAIN（域名）
            + "(([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]+\\.)?" // 域名- www. 
               + "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\\." // 二級域名 
              + "("+domainRules+"))" // first level domain- .com or .museum 
              + "(:[0-9]{1,4})?" // 埠- :80 
              + "((/?)|" // a slash isn't required if there is no file name 
              + "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$"; 
      Pattern pattern = Pattern.compile(regex);
      Matcher isUrl = pattern.matcher(str);
      return isUrl.matches();
  }

  /**
   * 判斷字串是否包含中文
   * @param str
   * @return
   */
  public static boolean isContainsChinese(String str)
  {
   String regEx = "[\u4e00-\u9fa5]";
   Pattern pat = Pattern.compile(regEx);
   Matcher matcher = pat.matcher(str);
   boolean flg = false;
   if (matcher.find()){
    flg = true;
   }
   return flg;
  }