这个正则 怎么写，谢谢

Question

本帖最后由 ndx2008 于 2012-09-28 07:47:04 编辑

Answer 1

$str =<<<txt
<div class="half-box left">
<h1 class="title"><span>No Software</span></h1>
<table class="events" border="0" cellpadding="0" cellspacing="0">
<tr class="title">
<td></td>
<td></td>
<td></td>
</tr><tr class="row">
<td>Video</td>
<td>LetOn TV</td>
<td><a href="play.asp?id=v-4/4/118/v-451931" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>
</tr><tr class="row">
<td>video 2</td>
<td>iLive.to</td>
<td><a href="play.asp?id=v-4/4/122/v-452237" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>
</tr></table>
</div>
<div class="half-box right">
<h1 class="title"><span>With Software</span></h1>
<table class="events" border="0" cellpadding="0" cellspacing="0">
<tr class="title">
<td></td>
<td></td>
<td></td>
</tr><tr class="row">
<td>Sopcast</td>
<td>SopCast</td>
<td><a href="play.asp?id=v-4/4/122/v-452244" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>
</tr><tr class="row">
<td>Sopcast 2</td>
<td>SopCast</td>
<td><a href="play.asp?id=v-4/4/122/v-452245" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>
</tr></table>
</div>
<div class="clear"></div>
txt;
$arr=array();
 preg_replace('/<tr\s*class="row">\s*<td>(.*?)<\/td>.+?(<a[^>]*>).+?(<\/a>)/se','array_push($arr,"$2$1$3")',$str);
print_r($arr);
Array
(
    [0] => <a href="play.asp?id=v-4/4/118/v-451931" target="_blank">Video</a>
    [1] => <a href="play.asp?id=v-4/4/122/v-452237" target="_blank">video 2</a>
    [2] => <a href="play.asp?id=v-4/4/122/v-452244" target="_blank">Sopcast</a>
    [3] => <a href="play.asp?id=v-4/4/122/v-452245" target="_blank">Sopcast 2</a>
)

Answer 2

<script type="text/javascript">
var html = '<div class="half-box left">\
<h1 class="title"><span>No Software</span></h1>\
<table class="events" border="0" cellpadding="0" cellspacing="0">\
<tr class="title">\
<td></td>\
<td></td>\
<td></td>\
</tr><tr class="row">\
<td>Video</td>\
<td>LetOn TV</td>\
<td><a href="play.asp?id=v-4/4/118/v-451931" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>\
</tr><tr class="row">\
<td>video 2</td>\
<td>iLive.to</td>\
<td><a href="play.asp?id=v-4/4/122/v-452237" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>\
</tr></table>\
</div>\
<div class="half-box right">\
<h1 class="title"><span>With Software</span></h1>\
<table class="events" border="0" cellpadding="0" cellspacing="0">\
<tr class="title">\
<td></td>\
<td></td>\
<td></td>\
</tr><tr class="row">\
<td>Sopcast</td>\
<td>SopCast</td>\
<td><a href="play.asp?id=v-4/4/122/v-452244" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>\
</tr><tr class="row">\
<td>Sopcast 2</td>\
<td>SopCast</td>\
<td><a href="play.asp?id=v-4/4/122/v-452245" target="_blank"><img src="../../../img/x.gif" class="gosport gs-playall" alt="Play all"/></a></td>\
</tr></table>\
</div>\
<div class="clear"></div>';var reg1 = /<tr\s+class="row">\s*<td>([\s\S]*?)<\/td>\s*<td>([\s\S]*?)<\/td>\s*<td>([\s\S]*?)<\/td>\s*<\/tr>/g
var result = [];
html.replace( reg1, function() {
var title = arguments[ 1 ];
var anchor = arguments[ 3 ];
result.push( anchor.replace( /<img[\s\S]*?\/>/, title ) );
} );
alert( result.join( '\n' ) );
</script>

Answer 3

<li><a href="play.asp?id=v-4/4/118/v-451931" target="_blank">Video</a></li>
<li><a href="play.asp?id=v-4/4/122/v-452237" target="_blank">video 2</a></li>
<li><a href="play.asp?id=v-4/4/122/v-452244" target="_blank">Sopcast</a></li>
<li><a href="play.asp?id=v-4/4/122/v-452245" target="_blank">Sopcast 2</a></li>
能不能直接输出这种形式啊,不要数组形式的 谢谢