<script language="JavaScript">

<!--

    n="1279834847944074100465236.33"

    // re=/(\d{1,3})(?=(\d{3})+(?:$|\.))/g

    re=/(\d{1,3})(?=(\d{3})+(?:$|\D))/g     //肖遙雲指點

 

    n1=n.replace(re,"$1,")

    alert(n+"\r\n"+n1)

//-->

</script>
 
 
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