       "type": "string",
            "format": "regex"
          },
          "additionalItems": {
            "anyOf": [
              {
                "type": "boolean",
                "default": false
              },
              {
                "$ref": "metaschema#"
              }
            ]
          },
          "items": {
            "anyOf": [
              {
                "$ref": "metaschema#"
              },
              {
                "$ref": "metaschema#/definitions/schemaArray"