java中利用正则去除html标签

java用正则去除html标签

[java] view
plain copy







package com.xz.cxzy.utils;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class HtmlUtil {

private static final String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; // 定义script的正则表达式

private static final String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; // 定义style的正则表达式

private static final String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式

private static final String regEx_space = "\\s*|\t|\r|\n";//定义空格回车换行符

/**

* @param htmlStr

* @return

* 删除Html标签

*/

public static String delHTMLTag(String htmlStr) {

Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);

Matcher m_script = p_script.matcher(htmlStr);

htmlStr = m_script.replaceAll(""); // 过滤script标签

Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);

Matcher m_style = p_style.matcher(htmlStr);

htmlStr = m_style.replaceAll(""); // 过滤style标签

Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);

Matcher m_html = p_html.matcher(htmlStr);

htmlStr = m_html.replaceAll(""); // 过滤html标签

Pattern p_space = Pattern.compile(regEx_space, Pattern.CASE_INSENSITIVE);

Matcher m_space = p_space.matcher(htmlStr);

htmlStr = m_space.replaceAll(""); // 过滤空格回车标签

return htmlStr.trim(); // 返回文本字符串

}

public static String getTextFromHtml(String htmlStr){

htmlStr = delHTMLTag(htmlStr);

htmlStr = htmlStr.replaceAll(" ", "");

htmlStr = htmlStr.substring(0, htmlStr.indexOf("。")+1);

return htmlStr;

}

public static void main(String[] args) {

String str = "<div style='text-align:center;'> 整治“四风” 清弊除垢<br/><span style='font-size:14px;'> </span><span style='font-size:18px;'>公司召开党的群众路线教育实践活动动员大会</span><br/></div>";

System.out.println(getTextFromHtml(str));

}

}

注：\n 回车(\u000a)

\t 水平制表符(\u0009)

\s 空格(\u0008)

\r 换行(\u000d)*/