[javascript学习指南]javascript简单正则js指定部份参数值函数

【www.bbyears.com--php函数】

 代码如下 <script type="text/javascript">
String.prototype.getQuery = function(name){
var reg = new RegExp("(^|\?|&)"+name+"=([^&]*|$)"), url = this.replace(/&/g, "&"), r = url.match(reg);
return r === null ? null : unescape(r[2]);
}
var str = "http://wpa.qq.com/msgrd?v=3&uin=1438344583&site=qq&menu=yes";
alert(str.getQuery("uin"));
</script>

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