function f()
{
var s="abcdefghijklmn";
s=s.replace(/(.)/gi,",$1");
if(s.length>0) s=s.substr(1);
alert(s);
}不要陷到里面去了,解决问题的办法有很多种。
{
var s="abcdefghijklmn";
s=s.replace(/(.)/gi,",$1");
if(s.length>0) s=s.substr(1);
alert(s);
}不要陷到里面去了,解决问题的办法有很多种。
但确实有这种需求怎么办?
replace(rgExp,"$1(插入0)$10") 怎么让$1+0跟$10区分开来?
s="abcdefghijklmn";
re=/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(m)(n)/gi;
s=s.replace(re,"$10,$14");
alert(s);
//结果是:j,n
如果实在要用$10,感觉不如用个计数器
<script language=javascript>
s="abcdefghijklmn";
re=/[a-z]/gi;
var i=1
s=s.replace(re,function(a,b){if((i++)==10)alert(a)});
</script>
var p = /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)/;
var s = "abcdefghij";
var j = Array.prototype.slice.call(s.match(p), 1).join("0");
alert(j);
}
c();
meizz老师。。昨天那个已经写完啦。。但是颜色控制那个,不懂
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>shawl.qiu template</title>
<script type="text/javascript">
//<![CDATA[
function f() {
s="abcdefghijklmn";
re=/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(m)(n)/gi;
//每个字符串之间插入逗号.
s=s.replace(re,function($0,$1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14){
return $1+','+$2+','+$3+','+$4+','+$5+','+$6+','+$7+','+$8+','+$9+','+$10+
','+$11+','+$12+','+$13+','+$14
});
alert(s);
}
f();
//]]>
</script>
</head>
<body></body>
</html>