请教一个获取HTML的正则表达式
<div class="userAddresses">
<div class="userAddresses_box">
<ul id="infor_newAdress_tab">
<li class="infor_newAdress_list " disid="2505">
<input value="8221507" address="2505" type="radio" name="Checkout[address]" id="Checkout_address" /> <p class="infor_newAdress_list_tit cfl">
<span class="item1">
重庆 重庆市 </span>
<span class="item2">
XX </span>
</p>
<p class="infor_newAdress_list_con">啊圣诞快乐放假啦三可的就(123456)</p>
<p class="infor_newAdress_list_tel">15696123668</p>
<span class="selPacket_list_icon"></span>
</li>
<li class="infor_newAdress_list " disid="2608">
<input value="8394659" address="2608" type="radio" name="Checkout[address]" id="Checkout_address" /> <p class="infor_newAdress_list_tit cfl">
<span class="item1">
四川 遂宁市 </span>
<span class="item2">
名字 </span>
</p>
<p class="infor_newAdress_list_con">一窜地址的积分来上课的发(123456)</p>
<p class="infor_newAdress_list_tel">13452528150</p>
<span class="selPacket_list_icon"></span>
</li>
<li class="shopInforTime_address_newItem"><strong><input type="radio" id="Checkout_address" name="Checkout[address]" value="0" style="display:none;">新建收货地址</strong></li>
</ul>
</div>
string str = File.ReadAllText("D:\\1.txt", Encoding.Default);
var ary = Regex.Matches(str, @"(?is)(?<=infor_newAdress_list[^>]*>\s+)(?=<input[^>]*?type=[""']radio[""'])(?=<input[^>]*?name=[""']Checkout\[address\][""'])(?=<input[^>]*?id=[""']Checkout_address[""'])<input[^>]*?value=[""']([^""']+)").OfType<Match>().Select(t => t.Groups[1].Value).ToList();