求教一个简单的正则表达式

Question

 大家好，
我有一个字符串：<li>
                                                                <a class="thumb" href="http://farm3.static.flickr.com/2201/1502907190_7b4a2a0e34.jpg" title="Title #21">
                                                                        <img src="http://farm3.static.flickr.com/2201/1502907190_7b4a2a0e34_s.jpg" alt="Title #21">
                                                                </a>
                                                                <div class="caption">
                                                                        <div class="image-title">Title #21</div>
                                                                        <div class="image-desc">Description</div>
                                                                        <div class="download">
                                                                                <a href="http://farm3.static.flickr.com/2201/1502907190_7b4a2a0e34_b.jpg">Download Original</a>
                                                                        </div>
                                                                </div>
                                                        </li>
        
                                                        <li>
                                                                <a class="thumb" href="http://farm2.static.flickr.com/1116/1380178473_fc640e097a.jpg" title="Title #22">
                                                                        <img src="http://farm2.static.flickr.com/1116/1380178473_fc640e097a_s.jpg" alt="Title #22">
                                                                </a>
                                                                <div class="caption">
                                                                        <div class="image-title">Title #22</div>
                                                                        <div class="image-desc">Description</div>
                                                                        <div class="download">
                                                                                <a href="http://farm2.static.flickr.com/1116/1380178473_fc640e097a_b.jpg">Download Original</a>
                                                                        </div>
                                                                </div>
                                                        </li>
        
                                                        <li>
                                                                <a class="thumb" href="http://farm2.static.flickr.com/1260/930424599_e75865c0d6.jpg" title="Title #23">
                                                                        <img src="http://farm2.static.flickr.com/1260/930424599_e75865c0d6_s.jpg" alt="Title #23">
                                                                </a>
                                                                <div class="caption">
                                                                        <div class="image-title">Title #23</div>
                                                                        <div class="image-desc">Description</div>
                                                                        <div class="download">
                                                                                <a href="http://farm2.static.flickr.com/1260/930424599_e75865c0d6_b.jpg">Download Original</a>
                                                                        </div>
                                                                </div>
                                                        </li>我想把每个<li>......</li> 都取出来放到一个数组中，请问如何操作.谢谢了！正则表达式JavaScript

Answer 1

正则懂的不多试试这个吧
/<li>(.*?)<\/li>/is

Answer 2

arr=str.match(/<li>[\s\S]+?<\/li>/ig);