uri modificatin on http response

In haproxy : cannot.

In nginx : possible.

Backend Host: 1.2.3.4

Frontend Host: 2.2.2.2

        location ^~ /its/

        {

            proxy_buffering   off;

            rewrite           /its/(.*) /$1 break;

            proxy_pass        http://1.2.3.4/;

            proxy_redirect    default;

            sub_filter_once off;

            sub_filter ' href="/' ' href="/its/';

            sub_filter ' src="/' ' src="/its/';

            sub_filter ' src="http://1.2.3.4/' ' src="/its/';

            sub_filter ' action="/' ' action="/its/';

        }

ex1.

2.2.2.2/its --> (2.2.2.2 connect to 1.2.3.4 ) 1.2.3.4/

2.2.2.2/its/xxx <-- (2.2.2.2 response by 1.2.3.4 ) 1.2.3.4/xxx

ex2.

2.2.2.2/its/aaa --> (2.2.2.2 connect to 1.2.3.4 ) 1.2.3.4/aaa

2.2.2.2/its/xxx <-- (2.2.2.2 response by 1.2.3.4 ) 1.2.3.4/xxx