{
    "name": "Varnish",
    "website": "http://www.varnish-cache.org",
    "matches": [
        {
            "search": "headers[via]",
            "regexp": "varnish(?: \\(Varnish/([\\d.]+)\\))?",
            "offset": 1
        },
        {
            "search": "headers[x-varnish]",
            "regexp": ".*"
        },
        {
            "search": "headers[x-varnish-action]",
            "regexp": ".*"
        },
        {
            "search": "headers[x-varnish-age]",
            "regexp": ".*"
        },
        {
            "search": "headers[x-varnish-cache]",
            "regexp": ".*"
        },
        {
            "search": "headers[x-varnish-hostname]",
            "regexp": ".*"
        }
    ]
}