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A very simple quote and dash smartener in JS. Used to make my tweets look nicer.
// Change straight quotes to curly and double hyphens to em-dashes.
function smarten(a) {
a = a.replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018"); // opening singles
a = a.replace(/'/g, "\u2019"); // closing singles & apostrophes
a = a.replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201c"); // opening doubles
a = a.replace(/"/g, "\u201d"); // closing doubles
a = a.replace(/--/g, "\u2014"); // em-dashes
return a
};
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