java过滤非法字符

 /**
   * 替换xml特殊字符，
   * 过滤非法字符   HJX
   * @param s
   * @return
   */
  public static String format(String s){
 String reg = "[//x00-//x08//x0b-//x0c//x0e-//x1f]";//过滤掉非法字符
 if ( s == null )
   return "";
 else{
  s=s.replaceAll("&","&").replaceAll("<","<").replaceAll(">",">").replaceAll("/"",""").replaceAll(reg,"");;
  return s;
 }

  }