Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<script>

var str="Every man in the world! Every woman on earth!";
var patt=/man/g;
var str2=str.replace(patt,"person");
document.write(str2+"<br>");
patt=/(wo)?man/g;
patt.compile(patt); 
str2=str.replace(patt,"person");
document.write(str2);

</script>

</body>
</html>