{
    "srce": "PNCC",
    "name": "Check Number",
    "regex": {
        "defn": [
            {
                "key": "{Description}",
                "map": "n",
                "field": "checkn",
                "regex": "[^0-9]*([0-9]*)\\s|$",
                "retain": "y"
            }
        ],
        "where": [
            {
                "Transaction": "Checks Paid"
            }
        ],
        "function": "extract"
    },
    "sequence": 2
}