<?
$str='<HTML>
<HEAD>
<TITLE></TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<img src="0.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="2.jpg" width=59 height=59>
<img src="4.jpg" width=59 height=59>
<img src="3.jpg" width=59 height=59>
</BODY>';preg_match_all("'<img src=\"([0-9]+)\.'",$str,$m);
print_r($m["1"]);
?>
$str='<HTML>
<HEAD>
<TITLE></TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<img src="0.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="2.jpg" width=59 height=59>
<img src="4.jpg" width=59 height=59>
<img src="3.jpg" width=59 height=59>
</BODY>';preg_match_all("'<img src=\"([0-9]+)\.'",$str,$m);
print_r($m["1"]);
?>
//匹配,数据$m["1"]就是所有数字的集合
preg_match_all("'<img src=\"(\d+)\.'",$str,$m);
//结合
$newstr=implode("",$m["1"]);
echo $newstr;总之得到的各个值都在数据 $m["1"] 中。$m是个二维数组
prge_match_all("/(\d)\.jpg/",$text,$regs);
$ar = $regs[1];print_r($ar);
$str='<HTML>
<HEAD>
<TITLE></TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<img src="0.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="1.jpg" width=59 height=59>
<img src="2.jpg" width=59 height=59>
<img src="4.jpg" width=59 height=59>
<img src="3.jpg" width=59 height=59>
</BODY>';preg_match_all("'<img src=\"([0-9]+)\.'",$str,$m);
print_r($m["1"]);
?>