var str1="北京abccc北京abc,fdsaf北京"
需要替换 为str2="<font style='background-color:#ffff00'>北京</font>abccc<font style='background-color:#ffff00'>北京</font>abc,fdsaf<font style='background-color:#ffff00'>北京</font>"
如何处理呀?
需要替换 为str2="<font style='background-color:#ffff00'>北京</font>abccc<font style='background-color:#ffff00'>北京</font>abc,fdsaf<font style='background-color:#ffff00'>北京</font>"
如何处理呀?
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head><script type="text/javascript" src="Scripts/jquery-1.4.1.js"></script>
<script type="text/javascript">
var str1 = "北京abccc北京abc,fdsaf北京";
var reg = /(北京)/gi;
var str = str1.replace(reg, "<font style='background-color:#ffff00'>$1</font>");
alert(str);
</script>
<body></body>
</html>
如这样定义
var strtmp = "北京";
reg 的值如何写呀?
var reg = new RegExp(strtmp,"g")
var reg = new RegExp("(" + tmep + ")", "gi");
把这两句换了就行
var str1="a中A,国北京abc";
需要将a,A,a全部替换为str2="<font style='background-color:#ffff00'>a</font>中<font style='background-color:#ffff00'>A</font>,国北京<font style='background-color:#ffff00'>a</font>bc";
var tmep = "a|A";
var reg = new RegExp("(" + tmep + ")", "g");
替换了就行
var str1 = "a中A,国北京abc";
var tmep = "a|A";//把你搜索的关键字拼接成这样的格式就行
var reg = new RegExp("(" + tmep + ")", "gi");//不区分大小写全文匹配
var str = str1.replace(reg, "<font style='background-color:#ffff00'>$1</font>"); 然后再显示到页面中
var str2 = str1.replace(/(北京)/g,"<font style='background-color:#ffff00'>$1</font>");
var tmep = "CSDN|CSDn|csdn|CsdN";//等那不是一堆排列?是这样吗?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>NewDocument</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="generator" content="Editplus" />
<meta name="author" content="" />
<meta name="keywords" content="" />
<meta name="description" content="" />
</head>
<body>
<input type="text" id="search" onkeyup="searchDate()"/>
<div id="cnt">a只是一个简单的例子,如用csdn的替换的,如将cSdn,CSdn,CSDN等 这种组合全部给增加font,但是里面的原有的字母是不能改变的</div>
<script type="text/javascript">
var cacheData = cnt.innerHTML;
var searchDate = function () {
var key = document.getElementById("search").value;
var patten = new RegExp("("+key+")","gi");
document.getElementById("cnt").innerHTML = cacheData.replace(patten,"<i style='color:red'>$1</i>");
};
</script>
</body>
</html>