{
    "patterns": [
        { "regex": "[a-zA-Z_][a-zA-Z0-9_]*", "is": "error" },
        { "regex": "[0-9_]+(\\.[0-9_]*([eE][-+]?[0-9_]+)?)?", "is": "literal" },
        {
            "regex": "\"(\\\\\"|[^\"])*\"(:)",
            "is": { "default": "keyword2", "captures": ["keyword2", "punct"] }
        },
        { "regex": "\"(\\\\\"|[^\"])*\"", "is": "string" },
        { "regex": "[,]", "is": "punct" }
    ],
    "keywords": {
        "null": { "into": "literal" },
        "true": { "into": "literal" },
        "false": { "into": "literal" }
    }
}