Replacing URLs in HTML and JS with mod_proxy on apache 2.2

Simple way to replace URLs for proxied websites using mod filter and substitute

<VirtualHost *:80 >

        ProxyPreserveHost On

        ServerName proxy-test.example.com

        FilterDeclare MYFILTER

        FilterProvider MYFILTER SUBSTITUTE resp=Content-Type $text/

        FilterProvider MYFILTER SUBSTITUTE resp=Content-Type $/xml

        FilterProvider MYFILTER SUBSTITUTE resp=Content-Type $/json

        FilterProvider MYFILTER SUBSTITUTE resp=Content-Type $/javascript

        <Location />

                #disable gzip

                RequestHeader unset Accept-Encoding

                FilterChain MYFILTER

                Substitute "s!(images|static|test).example.com!proxy-$1.example.com!i"

        </Location>

        ProxyPass / http://test.example.com/

        ProxyPassReverse / http://test.example.com/

</VirtualHost >