如何获取开播的虎牙列表？

ccc***

比如一起看下面的开播内容，https://www.huya.com/g/seeTogether，如何批量获取到房间和其id，比如虎牙八点档，880261。网页源码里不会用正则表达式，哪位大神有空了指点一下。谢谢=============================================================
<em class="tag-blue">蓝光10M</em> </p> </a> <a href="https://www.huya.com/880261" class="title" title="导火线·超劲爆甄功夫！" target="_blank">导火线·超劲爆甄功夫！</a> <span class="txt"> <span class="avatar fl"> <img data-original="https://huyaimg.msstatic.com/avatar/1060/3b/03e68e81bcd4e1629e140c437cbfb9_180_135.jpg" src="//a.msstatic.com/huya/main/assets/img/default/84x84.jpg" data-default-img="84x84" alt="虎牙八点档" title="虎牙八点档"> <i class="nick" title="虎牙八点档">虎牙八点档</i> </span> <span class="num"><i class="num-icon"></i><i class="js-num">124.7万</i></span> </span> </li> <li class="game-live-item" gid="2135" data-lp="1394575534"> <a href="https://www.huya.com/11342412" class="video-info " target="_blank" > <img class="pic" data-original="//live-cover.msstatic.com/huyalive/1394575534-1394575534-5989656310331736064-2789274524-10057-A-0-1/20210226220436.jpg?x-oss-process=image/resize,limit_0,m_fill,w_338,h_190/sharpen,80/format,jpg/interlace,1/quality,q_90" src="//a.msstatic.com/huya/main/assets/img/default/338x190.jpg" data-default-img="338x190" alt="周星星的直播" title="周星星的直播"> <div class="item-mask"></div> <i class="btn-link__hover_i"></i> <p class="tag-right"> <!-- 手机开播 --> <!-- VR直播 --> <!-- 无损音质 || 蓝光 --> <em class="tag-blue">蓝光4M</em> </p> </a> <a href="https://www.huya.com/11342412" class="title" title="周星星 经典不间断" target="_blank">周星星 经典不间断</a> <span class="txt"> <span class="avatar fl"> <img data-original="https://huyaimg.msstatic.com/avatar/1084/37/7c96090110880e88916b11e4a18cf9_180_135.jpg" src="//a.msstatic.com/huya/main/assets/img/default/84x84.jpg" data-default-img="84x84" alt="周星星" title="周星星"> <i class="nick" title="周星星">周星星</i> </span> <span class="num"><i class="num-icon"></i><i class="js-num">123.4万</i></span> </span> </li>