$routes     =   array();

    $routes[]   =   array(":controller/:action", array(
                                                "controller" => '',
                                                'action' => ''));


    $routes[]   =   array(":controller/:action/(\d+)", array(
                                                "controller" => '',
                                                'action' => '',
                                                'id' => 0));

    $routes[]   =   array(":controller/show/(\d+)", array(
                                                "controller" => '',
                                                'action' => 'show',
                                                'id' => 0));

    $routes[]   =   array(":controller/show/(\d+)/:name", array(
                                                "controller" => '',
                                                'action' => 'show',
                                                'id' => 0,
                                                'name' => ''));

    //test URLs
    $urlCnt[0]  =   "/information/location";
    $urlCnt[1]  =   "/webdesign/show/1";
    $urlCnt[2]  =   "/information/show/3/why-you-should-choose-us";
    $urlCnt[3]  =   "/information/delete/3/becauseItsOld";

    //some empty stuff for later
    $params     =   array();
    $regexContainer =   array();
    $regex      =   "";

    //prepare the regex to parse the urls
    foreach($routes as $route)
    {
        $ga =   preg_split("/\//", $route[0] );
        foreach($ga as $expr)
        {
            //check if the name starts with a : - if so than it will be a variable that is needed as an array index
            //important for later stuff, as controller, action, params always be there as an index
            if( strpos($expr, ":") === 0 )
            {
                //:controller or :action found or whatever -> a regex need to be used
                $regex  .= "\/[a-zA-Z-0-9]+";
            }
            else
            {
                //not found therefore what is written is the requirement
                $regex  .= "\/" . $expr;
            }

        }
        $regexContainer[]   = $regex;
        $regex =    null;
    }


    //matches
    foreach($regexContainer as $indiRegex)
    {
        print "<h1>" . $indiRegex . "</h1>";
        foreach ($urlCnt as $url)
        {
             if ( preg_match("/^" . $indiRegex . "\z/i", $url ) === 1  )
             {
                print $url . "<br />";
             }
             else
             {
                print "NO:( <br />";
             }
        }
        print "<br />";
    }