php正则替换问题,如何替换成这种形式?
<br /><div class="item"><br /> <div class="image"><a href="/4_4366/"><img src="/static/imghwm/default1.png" data-src="/image/4/4366/4366s.jpg" class="lazy" alt="惊悚乐园" style="max-width:90%" style="max-width:90%" /></a></div><br /> <dl><br /> <dt><span>三天两觉</span><a href="/4_4366/">惊悚乐园</a></dt><br /> <dd> 欢迎来到惊悚乐园。<br /> 这不仅是游戏,也是挑战和试炼。<br /> 恐惧是人类的本能,它使人软弱,惊慌,从而犯下错误。<br /> 金钱可以将游戏者武装起来,但智慧和勇气是买不到的。<br /> ...</dd><br /> </dl><br /> <div class="clear"></div><br /> </div><br />
<br /><div class="item"><br /> <div class="image"><a href="/4_4366/"><img src="/static/imghwm/default1.png" data-src="/image/4/4366/4366s.jpg" class="lazy" alt="惊悚乐园" style="max-width:90%" style="max-width:90%" /></a></div><br /> <dl><br /> <dt><span>三天两觉</span><a href="/4_4366/">惊悚乐园</a></dt><br /> <dd>欢迎来到惊悚乐园。这不仅是游戏,也是挑战和试炼。恐惧是人类的本能,它使人软弱,惊慌,从而犯下错误。金钱可以将游戏者武装起来,但智慧和勇气是买不到的。...</dd><br /> </dl><br /> <div class="clear"></div><br /> </div><br />
过滤掉文字之间的回车和空格,而不是html之间的空格和回车。
------解决方案--------------------
<?php<br />$str =<<<EOD<br /><div class="item"><br /> <div class="image" ><a href="/4_4366/"><img src="/static/imghwm/default1.png" data-src="/image/4/4366/4366s.jpg" class="lazy" alt="惊悚乐园" style="max-width:90%" style="max-width:90%" /></a></div><br /> <dl><br /> <dt><span>三<br /><br /> 天 <br /><br /> 两觉</span><a href="/4_4366/">惊悚乐园</a></dt><br /> <dd> 欢迎来<br /><br /> 到惊悚乐园。<br /> 这不仅是游戏,也是挑战和试炼。<br /> 恐惧是人类的本能,它使人软弱, <br /><br /><br /> 惊慌,从而犯下错误。xx zzzz<br /><br /><br />xxx<br /><br /><br /> 金钱可以将游戏 者武<br /><br /><br /><br /> 装起来,但智慧和勇气是买不到的。<br /> ...</dd><br /> </dl><br /><br /><br /><br /><br /> <div class="clear"></div><br /> </div><br />EOD;<br /><br /><br />function shanchu($str){<br /><br />$str = preg_replace('/\s/', '', $str);<br />$str = preg_replace('/\n/', '', $str);<br /><br />return '>'.$str.'<';<br />}<br /><br /><br /><br />echo "<textarea rows=50 cols=100>";<br /><br />print_r(preg_replace("/\>(.+?)\</esi","shanchu('\\1')",$str));<br />echo "</textarea>";<br />echo "";
exit;

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