Java 正则表达式提取标签中的属性(src 连接地址)等

public class Test {

public static void main(String[] args) {        String source = "<p><img src=\"https://xxxxx/xxx/xxxx/182cd48c587651767921868181f66ca8.jpg\" />sdfasdfasdfsadfasdfasdfasdfasdfasdf</p><img src=\"https://xxxxx/xxxx/182cd48c587651767921868181f66ca8sdf.jpg\" />";        System.out.println(getImgStr(source));        String htmlStr = "<p><video controls=\"controls\" durationtime=\"72\" filesize=\"27117469\" height=\"200px\" poster=\"https://xxxxxx/b439b0281450abce7f13b2920da04346.png\" src=\"https://xxxxxxxxxx/b439b0281450abce7f13b2920da04346.mp4\" style=\"\">&nbsp;</video></p>";

System.out.println(getVideoStr(htmlStr));    }

public static Set<String> getImgStr(String htmlStr) {        Set<String> pics = new HashSet<>();        String img = "";        Pattern p_image;        Matcher m_image;        String regEx_img = "<img.*src\\s*=\\s*(.*?)[^>]*?>";        p_image = Pattern.compile(regEx_img, Pattern.CASE_INSENSITIVE);        m_image = p_image.matcher(htmlStr);        while (m_image.find()) {            // 得到<img />数据            img = m_image.group();            // 匹配<img>中的src数据            Matcher m = Pattern.compile("src\\s*=\\s*\"?(.*?)(\"|>|\\s+)").matcher(img);            while (m.find()) {                pics.add(m.group(1));            }        }

return pics;    }

public static Map<String, String> getVideoStr(String htmlStr) {        Map<String, String> pics = new HashMap<String, String>();        String regEx_video="<video.*poster\\s*=\\s*(.*?)[^>]*?src\\s*=\\s*(.*?)[^>]*?>";        Pattern p = Pattern.compile(regEx_video,Pattern.CASE_INSENSITIVE);        Matcher m = p.matcher(htmlStr);        String video="";        Map<String, String> map = new HashMap<String, String>();        while (m.find()) {            video=m.group();            Matcher mPoster = Pattern.compile("poster\\s*=\\s*\"?(.*?)(\"|>|\\s+)").matcher(video);            Matcher mSrc = Pattern.compile("src\\s*=\\s*\"?(.*?)(\"|>|\\s+)").matcher(video);            String poster ="";            String src="";            while (mPoster.find()){                poster=mPoster.group(1);            }            while (mSrc.find()){                src=mSrc.group(1);            }            map.put("poster", poster);            map.put("src", src);        }        return map;    }}

原文地址：https://www.cnblogs.com/austinspark-jessylu/p/8252936.html