<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
.plaintext {
unicode-bidi: plaintext;
}
</style>
<title>unicode-bidi:plaintext on inline</title>
</head>
<body>
<div>[<span class="plaintext">:-) א</span>]: 100</div>
</body>
</html>