清除大文本中的html标签

    public String clearHtmlText(String inputString) {
        if (StringUtils.isBlank(inputString)) {
            return "";
        }
        String htmlStr = inputString; // 含html标签的字符串
        String textStr = "";
        java.util.regex.Pattern p_script;
        java.util.regex.Matcher m_script;
        java.util.regex.Pattern p_style;
        java.util.regex.Matcher m_style;
        java.util.regex.Pattern p_html;
        java.util.regex.Matcher m_html;

        try {
            // 定义script的正则表达式{或<script[^>]*?>[\s\S]*?<\/script> }
            String regEx_script = "<[\s]*?script[^>]*?>[\s\S]*?<[\s]*?\/[\s]*?script[\s]*?>";
            // 定义style的正则表达式{或<style[^>]*?>[\s\S]*?<\/style>}
            String regEx_style = "<[\s]*?style[^>]*?>[\s\S]*?<[\s]*?\/[\s]*?style[\s]*?>";
            // 定义HTML标签的正则表达式
            String regEx_html = "<[^>]+>";

            p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
            m_script = p_script.matcher(htmlStr);
            htmlStr = m_script.replaceAll(""); // 过滤script标签

            p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
            m_style = p_style.matcher(htmlStr);
            htmlStr = m_style.replaceAll(""); // 过滤style标签

            p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
            m_html = p_html.matcher(htmlStr);
            htmlStr = m_html.replaceAll(""); // 过滤html标签

            textStr = htmlStr;

            textStr = textStr.replaceAll("&amp;", "&");
            textStr = textStr.replaceAll("&nbsp;", "");
        } catch (Exception e) {
            System.err.println("Html2Text: " + e.getMessage());
        }
        return textStr;// 返回文本字符串
    }
原文地址:https://www.cnblogs.com/volare/p/4285688.html