<script type="text/javascript">/*<![CDATA[*/
var s = "abc,123,ghjk,3456,123,ll";
s=s.replace(/(^|,)123(,|$)/g, " $1");
alert(s)
/*]]>*/
</SCRIPT>
var s = "abc,123,ghjk,3456,123,ll";
s=s.replace(/(^|,)123(,|$)/g, " $1");
alert(s)
/*]]>*/
</SCRIPT>
alert(a.replace(/123/gi,''))
s=s.replace(/123/," ");