求一正则

Question

var str = "发撒旦发生[email protected] 发大水放大[email protected] fdf [email protected]";
str = str.replace( /@yaoo\.com/gi,"@sina.com";

Answer 1

<script>
var str ='发撒旦发生[email protected] 发大水放大[email protected] fdf [email protected]';
var reg = /@\S+/g;
alert(str.replace(reg,'@hansir.cn'));
</script>

Answer 2

var str = "发撒旦发生[email protected] 发大水放大[email protected] fdf [email protected]"; 
str = str.replace( /@yaoo\.com/gi,"@sina.com");//刚才少了个)，是替换yaoo还是yahoo啊？

Answer 3

<script>
    var str ='发撒旦发生[email protected] 发大水放大[email protected] fdf [email protected]';
    var reg = /@sina.com|@yaoo.com|yahoo.com/g;
str=str.replace(reg,'@chinmo.net')
    alert(str);
</script>