This macro fetches routes into Twig template. More info on http://craftsnippets.com/articles/url-macro

Craft CMS - URL macro

{# v2 #}

{% macro url(routeName, tokens) %}
{% spaceless %}
{% set keyword = 'name' %}
{% set routeString = null %}
{% for route, routeSettings in craft.app.routes.getConfigFileRoutes %}
    {% if routeSettings[keyword] is defined and routeSettings[keyword] == routeName %}
    {% set routeString = route %}
    {% endif %}
{% endfor %}
{% if routeString and tokens is not empty %}
    {% set routes = routeString|split('/') %}
    {% set tokenIndex = 0 %}
    {% set resultArray = [] %}
    {% for value in routes %}
        {% if value matches '/\\<[\\w]+\\>/' %}
            {% if tokens is iterable %}
                {% set value = tokens[tokenIndex] %} 
                {% set tokenIndex = tokenIndex + 1 %}
            {% else %}
                {% set value = tokens %} 
            {% endif %}
        {% endif %}
        {% set resultArray = resultArray|merge([value]) %}
    {% endfor %}
    {% set result = resultArray|join('/') %}
    {{url(result)}}
{% endif %}
{% endspaceless %}
{% endmacro %}