JS正则获取HTML元素的方法

正则匹配示例与结果分析

var html = $("#summaryTemplate").html();
var imageMath = /<img [^<,>]*(?=target-type=("|')replace("|'))[^/,<,>]*\/>/;
var scriptMath = /<script [^<,>]*(?=target-type=("|')replace("|'))[^/,<,>]*><\/script>/;
var linkMath = /<link [^<,>]*(?=target-type=("|')replace("|'))[^/,<,>]*\/>/;
alert(html.match(imageMath));
var ht="<img src='/11.jpg' target-type='replace' />asf   <img src='/12.jpg' target-type='replace' />        <img src='/13.jpg' target-type='replace' />";
ht.match(imageMath)

["<img src="/11.jpg" target-type='replace' />", "'", "'"]

全局匹配与exec方法应用

var attrbuteMath = "(?:\\w+)\\s*(?:=[^{,},<,>]+)";
var srcMath = "src(?:=[^{,},<,>]+)";
var hrefMath = "href(?:=[^{,},<,>]+)";
var scriptMath = "<script\\s+(?:" + attrbuteMath + ")*><\/script>";
var ge = new RegExp(scriptMath,"gi");
// var html = "<script asdfsadf='asdfsaf' asf=aaadsdfsdf style='' src='' ><\/script>asdfsaf<script asdfsadf='asdfsaf' asf=''aa adsdfsdf  ><\/script>";
var html = $("#txtHtml").val();
var result = ge.exec(html);
alert(result);