| Wikidata property with datatype string that is not an external identifier | Q21099935 |
| Wikidata property related to racket sports | Q27886949 |
| Wikidata property related to sports people | Q28106456 |
| P1793 | format as a regular expression | \d+–\d+ |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/7#P564 |
| P2302 | property constraint | single-value constraint | Q19474404 |
| format constraint | Q21502404 | ||
| item-requires-statement constraint | Q21503247 | ||
| subject type constraint | Q21503250 | ||
| P2875 | property usage tracking category | Category:Pages using Wikidata property P564 | Q24031410 |
| P1659 | related property | doubles record | P555 |
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