[
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "should_be_blocked_1"
        }
    },
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "should_be_blocked_2",
            "if-top-url": ["^https?://127.0.0.1.*/contentex", "^should.not*match"]
        }
    },
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "should_be_blocked_3",
            "unless-top-url": ["should?not.match"]
        }
    },
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "should_not_be_blocked_1",
            "if-top-url": ["also.should?not+match"]
        }
    },
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "should_not_be_blocked_2",
            "unless-top-url": ["127.0.0.1.*/top-url\\.html"]
        }
    }
]