一条正则能不能同时取出一个img标记的src和name?

madpc 2009-08-03 05:00:41

比如字符串如下

'<img alt="" border="0" name="g6-o44-1" onload="DrawImage" src="/bmp/foo.jpg" />'

取出一个img和src的值

关键在于: name和src还有别的属性位置不固定, 该如何写正则? 而且方法最好巧妙一些

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madpc 2009-08-04

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lxcnn 的很强大，学习了

-过客- 2009-08-04

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...

<textarea id="result" rows="10" cols="100"></textarea> 

<script type="text/javascript">

var data = [' <img alt="" border="0" name="g6-o44-1" onload="DrawImage" src="/bmp/foo1.jpg" />', ' <img src="/bmp/foo2.jpg" alt="" border="0" name="g6-o44-2" onload="DrawImage" />'] ;

var reg = /<img\b(?=(?:(?!name=).)*name=(['"]?)([^'"\s>]+)\1)(?:(?!src=).)*src=(['"]?)([^'"\s>]+)\3[^>]*>/i;

for(var i=0;i<data.length;i++)

{

    var s = data[i];

    document.getElementById("result").value += "源字符串：" + s + "\n";

    document.write("<br />");

    if(reg.test(s))

    {

        document.getElementById("result").value += "name: " + RegExp.$2 + "\n";

        document.getElementById("result").value += "src: " + RegExp.$4 + "\n";

    }

}

</script>

-过客- 2009-08-04

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try...

<textarea id="result" rows="10" cols="100"></textarea> 

<script type="text/javascript">

var data = [' <img alt="" border="0" name="g6-o44-1" onload="DrawImage" src="/bmp/foo1.jpg" />', ' <img 



src="/bmp/foo2.jpg" alt="" border="0" name="g6-o44-2" onload="DrawImage" />'] ;

var reg = /<img\b(?=(?:(?!name=).)*name=(['"]?)([^'"\s>]+)\1)(?:(?!src=).)*src=(['"]?)([^'"\s>]+)\3[^>]*>/i;

for(var i=0;i<data.length;i++)

{

    var s = data[i];

    document.getElementById("result").value += "源字符串：" + s + "\n";

    document.write("<br />");

    if(reg.test(s))

    {

        document.getElementById("result").value += "name: " + RegExp.$2 + "\n";

        document.getElementById("result").value += "src: " + RegExp.$4 + "\n";

    }

}

</script>