かんたんな整形

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="ja">
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>整形</title>
</head>
<body>
<h4>整形</h4>
<script type="text/javascript">
<!--
function a() {
	var e = document.getElementById("ta");
	var s = e.value;
	s = s.replace(/\n/g, "|\n");
	s = s.replace(/\t/g, "|");
	s = s.replace(/ /g, "");
	s = s.replace(/~/g, "-");
	document.getElementById("r").value = s;
}
// -->
</script>
<input type="button" onclick="a()" value="整形"><br>
<textarea id="ta" style="width:800px;height:300px;"></textarea><br>
整形結果:<br><textarea id="r" style="width:800px;height:400px"></textarea>
</body>
</html>