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================== Javascript ======================

        $( ".mainInputString" ).change(function() {
            var str = $('.mainInputString').val();
            
            str = str.replace(/^\s+|\s+$/g, ''); // trim
            str = str.toLowerCase();
            // remove accents, swap ñ for n, etc
            var from = "ãàáäâẽèéëêìíïîõòóöôùúüûñç·/_,:;";
            var to   = "aaaaaeeeeeiiiiooooouuuunc------";
            for (var i=0, l=from.length ; i<l ; i++) {
              str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
            }
            str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
              .replace(/\s+/g, '-') // collapse whitespace and replace by -
              .replace(/-+/g, '-'); // collapse dashes
            
              $('.slugString').val(str);
      });// End Make Slug of Any Input


===================== PHP Functions ================

function makeSlugOfAnyString($text) {
	// replace non letter or digits by -
	$text = preg_replace('~[^\pL\d]+~u', '-', $text);

	// transliterate
	$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);

	// remove unwanted characters
	$text = preg_replace('~[^-\w]+~', '', $text);

	// trim
	$text = trim($text, '-');

	// remove duplicate -
	$text = preg_replace('~-+~', '-', $text);

	// lowercase
	$text = strtolower($text);

	if (empty($text)) {
		return 'n-a';
	}

	return $text;
}