Wrap Registered Trademark Symbols in Superscript

wrapinsuperscript.js

var regexp = /[\xAE]/;
$('body :not(script,sup)').contents().filter(function() {
    return this.nodeType === 3 && (regexp.test(this.nodeValue));
}).replaceWith(function() {
    return this.nodeValue.replace(regexp, '<sup>$&</sup>');
});