[
  {
    "op": "core/column-addition",
    "engineConfig": {
      "facets": [
        {
          "type": "text",
          "name": "Column 1",
          "columnName": "Column 1",
          "query": "*********M",
          "mode": "text",
          "caseSensitive": false,
          "invert": false
        }
      ],
      "mode": "record-based"
    },
    "baseColumnName": "Column 1",
    "expression": "grel:value",
    "onError": "set-to-blank",
    "newColumnName": "tmp",
    "columnInsertIndex": 1
  },
  {
    "op": "core/column-move",
    "columnName": "tmp",
    "index": 0
  },
  {
    "op": "core/row-removal",
    "engineConfig": {
      "facets": [
        {
          "type": "list",
          "name": "Column 1",
          "expression": "grel:if(isNonBlank(cells['tmp'].value),with(row.record.cells[columnName].value.join('').find(/EXSTA ./).uniques().join(''),v,v),null)",
          "columnName": "Column 1",
          "invert": false,
          "omitBlank": false,
          "omitError": false,
          "selection": [
            {
              "v": {
                "v": "EXSTA M",
                "l": "EXSTA M"
              }
            }
          ],
          "selectBlank": false,
          "selectError": false
        }
      ],
      "mode": "record-based"
    }
  },
  {
    "op": "core/text-transform",
    "engineConfig": {
      "facets": [
        {
          "type": "text",
          "name": "Column 1",
          "columnName": "Column 1",
          "query": "*********E",
          "mode": "text",
          "caseSensitive": false,
          "invert": false
        }
      ],
      "mode": "row-based"
    },
    "columnName": "tmp",
    "expression": "grel:cells['Column 1'].value",
    "onError": "keep-original",
    "repeat": false,
    "repeatCount": 10
  },
  {
    "op": "core/row-removal",
    "engineConfig": {
      "facets": [
        {
          "type": "text",
          "name": "Column 1",
          "columnName": "Column 1",
          "query": "EXSTA M",
          "mode": "text",
          "caseSensitive": false,
          "invert": false
        }
      ],
      "mode": "record-based"
    }
  },
  {
    "op": "core/column-removal",
    "columnName": "tmp"
  }
]