<script language=javascript>
var str="da*s2*42"
re=/[^1234567890\*]/g
alert(str.replace(re,''));
</script>
var str="da*s2*42"
re=/[^1234567890\*]/g
alert(str.replace(re,''));
</script>
调试欢乐多
[^\d\*]替换成：
" "JS代码：
str.replace(/[^\d\*]/g, " ")测试工具：
http://www.regexlab.com/zh/replshop.asp?pat=%5B%5E%5Cd%5C*%5D&rto=%20&txt=da*s2*42