java去除html tags

public static String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>";  
 public static String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; 
 public static String regEx_html = "<[^>]+>";
 
 public static Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
 public static Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
 public static Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
 
 public static String getOptimizedData(String inputString) {
      if (inputString == null) {
           return inputString;
      }
  
      //stripping script tags whether the tag contains "\n" or "\r" or not.
      Matcher m_script = p_script.matcher(inputString);
      String htmlStr = m_script.replaceAll("");
 
      //stripping style tags whether the tag contains "\n" or "\r" or not.
      Matcher m_style = p_style.matcher(htmlStr);
      htmlStr = m_style.replaceAll("");
 
      //stripping html tags but continue to have the "\n" and "\r" in right place.
      Matcher m_html = p_html.matcher(htmlStr);
      htmlStr = m_html.replaceAll("");
 
      return htmlStr;
 }