<div\s*?[^\"]+?\"blog_title_h\">((.|\\n)*?)<\/span><\/div>
[^\"]+？在没有遇到"之前全部匹配后面要跟 " 要不然匹配不到
<div class="blog_title_h"><div class="blog_title" id="t_10001_6229725d0100gksy"><a target="_blank" href="http://blog.sina.com.cn/s/blog_6229725d0100gksy.html">现在再讨论大盘是不是晚了点?</a></div><span class="SG_txtc time">(2010-01-26 11:31)</span></div>
