<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="
http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<style>
.red {color:#FF0000;}
</style>
<script language="javascript" type="text/javascript">
function test(){
var reg = /(\d+\.?\d*)/g;
var html = document.body.innerHTML;
html = html.replace(reg,"<span class=\"red\">$1<\/span>");
document.body.innerHTML = html;
}
</script>
<body onload="test();">
比如：
存款 5443.77
<br>
上月： 1570.51
<br>
当前： 150.96
<br />
</body>
</html>