file extension

identifier for a file format (e.g. txt for a text file) used as suffix to the file name. Don't use dot at start.

file extension is …
instance of (P31):
Wikidata property related to softwareQ21126229
Wikidata property for a multi-source identifierQ21264328

External links are
P1793format as a regular expression[0-9a-zA-Z_@\+]+([\.\-][0-9a-zA-Z_@\+]+)?|
P3254property proposal discussionhttps://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/20#P1195

P3734category for value same as Wikidata???Q42533424
P2302property constraintformat constraintQ21502404
item-requires-statement constraintQ21503247
subject type constraintQ21503250
allowed-entity-types constraintQ52004125
property scope constraintQ53869507
P2875property usage tracking categoryCategory:Pages using Wikidata property P1195Q26690097
P1659related propertyfilename in archiveP7793
P2668stability of property valuesometimes changesQ24025284
P1629Wikidata item of this propertyfilename extensionQ186157

Reverse relations

related property (P1659)
Q42533424Q42533424
Q26690097Category:Pages using Wikidata property P1195
P7793filename in archive

properties for this type (P1963)
Q235557file format
Q9143programming language

Q186157filename extensionWikidata propertyP1687

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