Convert a normal string into a friendly string

friendly.js

function friendly(str) {
	"use strict";

	// Turn string into lower cases
	str = str.toLowerCase();

	// Normalize vocals
	str = str.replace(/\á|\à|\ä|\â|\ã|\ª/g, "a");
	str = str.replace(/\é|\è|\ë|\ê/g, "e");
	str = str.replace(/\í|\ì|\ï|\î/g, "i");
	str = str.replace(/\ó|\ò|\ö|\ô|\õ|\º/g, "o");
	str = str.replace(/\ú|\ù|\ü|\û/g, "u");

	// Normalize special characters
	str = str.replace(/\ñ|\&/g, "n");
	str = str.replace(/\ç/g, "c");

	// Normalize words concatenations
	str = str.replace(/\t+|\s+|\n+|\r+|\++|\-+/g, "-");

	// Delete delete delete
	str = str.replace(/\(|\)|\{|\}|\[|\]|\.|\,|\;|\:|\?|\!|\'|\"|\´/g, "");

	return str.trim();
}