<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>正则表达式简单测试</title>
<script>
/*var reg=/d/;*/
//等价写法
var reg = new RegExp("123");
document.write(reg.test("哈哈哈123")+"<br/>");
//字符串中有p或q的就匹配
/*reg = /[pq]/;*/
//字符串中除去p或q的就匹配
reg = /[^pq]/;
document.write(reg.test("o")+"<br/>");
</script>
</head>
<body>
</body>
</html>
