private static function format() {

		$routes = static :: getRoutes();

		foreach($routes as $identifier => $route) {

			$url = preg_quote($route -> getUrl(), '/'); 

			//Prepend prefix for url
			if($prefix = $route -> getPrefix()) {
				$url = $prefix['url'] . $url;
			}

			if(preg_match_all('#(\\\/)*\\\{([a-zA-Z0-9_.]+)(\\\\\?)?\\\}#i', $url, $matches)) {
				
				foreach($matches[0] as $index => $match) {

					$match 		= $matches[0][$index];
					$slash 		= $matches[1][$index];
					$type 		= $matches[2][$index];
					$optional 	= $matches[3][$index];
					$where 		= $route -> getWhere();
					$variable 	= '';
					$typefound 	= false;

					if('' !== $slash) {
						$variable .= '\/';
					}

					if(true === is_array($where)) {
						
						foreach($where as $key => $regex) {
							
							if($key === $type) {
								
								$variable .= $regex;
								$typefound = true;
								break;
							}
						}
					}

					if(false === $typefound) {

						if(isset(static :: $types[$type])) {
							$variable .= static :: $types[$type];
						}
						else {
							$variable .= static :: $types['string'];	
						}
					}

					if('' !== $optional) {
						$variable = '('. $variable .')?';
					}
					else {
						$variable = '('. $variable .')';
					}
					
					$url = preg_replace('#' . preg_quote($match, '/') . '#', $variable, $url, 1);
				}
			}

			$route -> setMatch($url);
		}
	}