Regex capitalize first letter every word, also after a special character like a dash

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+1 for word boundaries, and here is a comparable Javascript solution. This accounts for possessives, as well:

var re = /(\b[a-z](?!\s))/g;
var s = "fort collins, croton-on-hudson, harper's ferry, coeur d'alene, o'fallon"; 
s = s.replace(re, function(x){return x.toUpperCase();});
console.log(s); // "Fort Collins, Croton-On-Hudson, Harper's Ferry, Coeur D'Alene, O'Fallon"

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