Javascript Regexp 简明教程
JavaScript RegExp - \f
Example
以下示例显示了 RegExp 表达式的用法。
<html>
<head>
<title>JavaScript RegExp</title>
</head>
<body>
<script type = "text/javascript">
var str = "ab\fc";
var pattern = /\f/g;
var index = str.search(pattern);
document.write("Test 1 - returned value : " + index);
str = "abc";
index = str.search(pattern);
document.write("<br/>Test 2 - returned value : " + index);
</script>
</body>
</html>