测试代码:
<!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>
<title>new document </title>
<meta name="generator" content="editplus" />
<meta name="author" content="" />
<meta name="keywords" content="" />
<meta name="description" content="" />
</head>
<body>
<script language="javascript">
<!--
str ="width : 697pxwidth : 693pxwidth:694pxwidth : 695pxwidth : 696pxborder:1px solid #cccborder-width:3px"
re = /[^-]+(width[^]+)/g
alert(str.match(re))
//-->
</script>
</body>
</html>
写两个正则好容易些,如:
var reg1=/\w*.css$/var reg2=/\w*.min.css$/
var t='aa.min.css'
if(reg1.test(t) && !reg2.test(t)){
alert(t)
}