{
    "name": "phones",
    "description": "Normalizes +7 numbers",
    "rules": [
        {
            "pattern": "re:\\D",
            "replacement": ""
        },
        {
            "pattern": "re:^8(?=\\d{10}$)",
            "replacement": "7"
        },
        {
            "pattern": "re:^(?!\\+)",
            "replacement": "+"
        }
    ]
}