目的是从一堆js代码获取某个js函数,如js代码是:
function a(){...}function b(){if(xxx){...}for(xxx,xxx,xxx){...}}function c(){...}
我想通过正则获取函数b,所以得到的结果是:function b(){if(xxx){...}for(xxx,xxx,xxx){...}}
function a(){...}function b(){if(xxx){...}for(xxx,xxx,xxx){...}}function c(){...}
我想通过正则获取函数b,所以得到的结果是:function b(){if(xxx){...}for(xxx,xxx,xxx){...}}
正则:
regex reg=new regex("function b().*?(?=function c())", RegexOptions.Singleline | RegexOptions.IgnoreCase);
function[\s]+b\([^\)]*\)(((?'fn'\{)[^\{\}]*)+(?'-fn'\}[^\{\}]*?)+)+(?(fn)(?!))
<head>
<title>直接用函数</title>
<meta http-equiv="Content-type" content="text/html;charset=gb2312" />
<style type="text/css">
<!--
#ShowResult{
color:#f00;
font:12pt arial;
}
#title{
font:14pt arial,verdana,sans-serif;
}
-->
</style>
<script language="javascript">
<!--
function A2C()
{
var strResult="";
var j=0;
strResult += String.fromCharCode(12288);
for(var i=65281;i<=65374;i++)
{
strResult += String.fromCharCode(i);
j++;
if(j==10)
{
strResult +="<br />";
j=0
}
}
//alert(b);
//document.getElementById("ShowResult").innerHTML ="字符:" +strResult;
document.getElementById("ShowResult").innerHTML ="结果:" +A2C;
return A2C;
}
-->
</script>
</head>
<body >
<div >
<div id="title" >ASCII code to Char,Char to ASCII code.</div>
<hr />
<form id="frmRegex"><br />
<div id="ShowResult"></div><br /><br />
<div><input type="button" onclick="javascript:A2C();/*alert();*/" value="Click Here!"></div>
</form>
</div>
</body>
</html>