haa,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(function() {
var a = $("textarea");
a.on("input", function() {
var b = 0;
a.each(function(a, d) {
var c = this.value.match(/[^\s.,;!]+/g) || [];
b += c.length
});
tcount.value = b
})
});
</script>
</head>
<body>
<textarea name=""></textarea>
<textarea name=""></textarea>
<textarea name=""></textarea>
<input type="text" id="tcount" />
</body>
</html>