{
  "id": "file_extension",
  "name": "File name extension",
  "status": "draft",
  "doc": "Suffix of a file name that tells the format of the file, such as pdf, docx or csv, written with or without the leading dot. The full name of a file is the datatype filename.",
  "categories": [
    {
      "id": "common",
      "name": "Common"
    }
  ],
  "langs": [
    {
      "id": "common",
      "name": "Common to most languages"
    }
  ],
  "is_pii": false,
  "classification": "categorical",
  "regexp": "^\\.?[A-Za-z0-9]{1,10}$",
  "examples": [
    {
      "value": "pdf"
    },
    {
      "value": ".docx"
    },
    {
      "value": "CSV"
    },
    {
      "value": "report.pdf",
      "valid": false,
      "description": "a file name, not an extension"
    }
  ],
  "mappings": {
    "wikidata": "P1195",
    "fta": "FILENAME_EXT"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/Filename_extension"
    },
    {
      "type": "wikidata",
      "url": "https://www.wikidata.org/wiki/Property:P1195"
    },
    {
      "type": "other",
      "url": "https://github.com/tsegall/fta/blob/main/SemanticTypes.md"
    }
  ],
  "translations": {
    "ru": {
      "name": "Расширение имени файла"
    }
  },
  "type": "datatype",
  "wikidata_property": "P1195"
}