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JS: Turn text into TitleCase

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I love this script. It's perfect for anyone trying to transforms headlines into some sort of Title Case format without using CSS

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  1. /* To Title Case 1.1.1
  2.  * David Gouch <http://individed.com>
  3.  * 23 May 2008
  4.  * License: http://individed.com/code/to-title-case/license.txt
  5.  *
  6.  * In response to John Gruber's call for a Javascript version of his script: 
  7.  * http://daringfireball.net/2008/05/title_case
  8.  */
  9.  
  10. String.prototype.toTitleCase = function() {
  11.     return this.replace(/([\w&`'‘’"“.@:\/\{\(\[<>_]+-? *)/g, function(match, p1, index, title) {
  12.         if (index > 0 && title.charAt(index - 2) !== ":" &&
  13.         	match.search(/^(a(nd?|s|t)?|b(ut|y)|en|for|i[fn]|o[fnr]|t(he|o)|vs?\.?|via)[ \-]/i) > -1)
  14.             return match.toLowerCase();
  15.         if (title.substring(index - 1, index + 1).search(/['"_{(\[]/) > -1)
  16.             return match.charAt(0) + match.charAt(1).toUpperCase() + match.substr(2);
  17.         if (match.substr(1).search(/[A-Z]+|&|[\w]+[._][\w]+/) > -1 || 
  18.         	title.substring(index - 1, index + 1).search(/[\])}]/) > -1)
  19.             return match;
  20.         return match.charAt(0).toUpperCase() + match.substr(1);
  21.     });
  22. };

URL: http://individed.com/code/to-title-case/

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