<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
</body>
<script>
var list=['策略-蔬菜-新店三折(蔬菜中分类零折)'];
var len = list.length;
alert(len);
var array = [];
var reg = new RegExp("三折");
for(var i=0;i<len;i++){
if(list[i].match(reg)){
array.push(list[i]);
}
}
alert(array);
alert(array.length+"长度为1说明符合正则条件");
</script>
</html>