REGULAR EXPRESSION

html
head
titleKATA KOTOR/title

script language="javascript"
function saring(huruf)
{
var kata=/fuck|shit/gi;
return huruf.replace(kata, function(cocok)
{
return cocok.replace(/./g,"*");
});
}

function tampil()
{
var oInput1=document.getElementById("txt1");
var oInput2=document.getElementById("txt2");
oInput2.value=saring(oInput1.value);
}
/script
/head
body
input type=text id="txt1"
input type="button" value="0k" onclick="tampil()"
br
Hasil:
br
input type=text id="txt2"

/body
/html