<script type="text/javascript">
//<![CDATA[
var str='\\d'
var re=new RegExp(str,'ig');
alert('a1b2c3d4e5'.replace(re,'~~~'));
//]]>
</script>
//<![CDATA[
var str='\\d'
var re=new RegExp(str,'ig');
alert('a1b2c3d4e5'.replace(re,'~~~'));
//]]>
</script>
var s;
var re = new RegExp("d(b+)(d)","ig");
var str = "cdbBdbsbdbdz";
var arr = re.exec(str);
s = "$1 contains: " + RegExp.$1 + "\n";
s += "$2 contains: " + RegExp.$2 + "\n";
s += "$3 contains: " + RegExp.$3;
return(s);
}
还多少分升星星啊??
to btbtd
var exist=eval("/" + strExp + "/.test('" + strTarget + "')");
1楼没有问题,二楼没有表示出那个能传变量
用途比如关键字
var key = ["wc", "name"], nkey = [];
nkey["wc"] = "nwc";
nkey["name"] = "nname";
var pattern = new RegExp("(" + key.join("|") + ")");
var j = 预处理字符串.replace(pattern, function (a, b) { return nkey[b]; });