Angular Filter: Title Case

Angular Filter: Title Case

 
/**
 * Description:
 *     simple title case => Simple Title Case
 * Usage:
 *   {{some_text | titleCase}}
 */
app.filter('titleCase', function () {
    return function (input) {
        var words = input.split(' ');
        for (var i = 0; i < words.length; i++) {
            words[i] = words[i].charAt(0).toUpperCase() + words[i].slice(1);
        }
        return words.join(' ');
    };
});

// with prepositions intact

app.filter('titlecase', function () {
    return function (input) {
      var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;

      return input.replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
        if (index > 0 && index + match.length !== title.length &&
          match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
          (title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
          title.charAt(index - 1).search(/[^\s-]/) < 0) {
          return match.toLowerCase();
        }

        if (match.substr(1).search(/[A-Z]|\../) > -1) {
          return match;
        }

        return match.charAt(0).toUpperCase() + match.substr(1);
      });
    };
  });