正则表达式提取图片地址

 

javascript 版

< script language = " javascript " >
var a = ' <P><IMG src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_117025184198149.jpg" mce_src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_117025184198149.jpg"></P><P><IMG src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_1170251841100502.jpg" mce_src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_1170251841100502.jpg"></P> '
var b =/< IMG src = \ " ([^\ " ] *? )\ " >/gi
var s = a.match(b)

  for (var i =   0 ;i < s.length;i ++ )
{
alert(s[i]);
alert(RegExp.$1)
}

 
</ script >



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< script language = " javascript " >
var a = ' <P><IMG src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_117025184198149.jpg" mce_src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_117025184198149.jpg"></P><P><IMG src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_1170251841100502.jpg" mce_src="http://bbs.cn.yimg.com/user_img/200701/31/jisuanji986_1170251841100502.jpg"></P> '
var b =/< IMG src = \ " ([^\ " ] *? )\ " >/gi
var s = a.match(b)

  for (var i =   0 ;i < s.length;i ++ )
{
alert(s[i]);
alert(s[i].replace(b,"$1"))
}

 
</ script >

转载于:https://www.cnblogs.com/junyistar/archive/2007/09/17/895455.html