Javascript Slugify

slugify.js

/* 
	Create SLUG from a string
	This function rewrite the string prototype and also 
	replace latin and other special characters.

	Forked by Gabriel Froes - https://gist.github.com/gabrielfroes
	Original Author: Mathew Byrne - https://gist.github.com/mathewbyrne/1280286
 */
if (!String.prototype.slugify) {
	String.prototype.slugify = function () {

	return  this.toString().toLowerCase()
	.replace(/[àÀáÁâÂãäÄÅåª]+/g, 'a')       // Special Characters #1
	.replace(/[èÈéÉêÊëË]+/g, 'e')       	// Special Characters #2
	.replace(/[ìÌíÍîÎïÏ]+/g, 'i')       	// Special Characters #3
	.replace(/[òÒóÓôÔõÕöÖº]+/g, 'o')       	// Special Characters #4
	.replace(/[ùÙúÚûÛüÜ]+/g, 'u')       	// Special Characters #5
	.replace(/[ýÝÿŸ]+/g, 'y')       		// Special Characters #6
	.replace(/[ñÑ]+/g, 'n')       			// Special Characters #7
	.replace(/[çÇ]+/g, 'c')       			// Special Characters #8
	.replace(/[ß]+/g, 'ss')       			// Special Characters #9
	.replace(/[Ææ]+/g, 'ae')       			// Special Characters #10
	.replace(/[Øøœ]+/g, 'oe')       		// Special Characters #11
	.replace(/[%]+/g, 'pct')       			// Special Characters #12
	.replace(/\s+/g, '-')           		// Replace spaces with -
    .replace(/[^\w\-]+/g, '')       		// Remove all non-word chars
    .replace(/\-\-+/g, '-')         		// Replace multiple - with single -
    .replace(/^-+/, '')             		// Trim - from start of text
    .replace(/-+$/, '');            		// Trim - from end of text
    
	};
}