Constraint report
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This special page performs constraint checks on any entity you want. The entities are fetched from the live system, so every constraint violation you fix there will be instantly removed from this list.
The constraints are parsed from statements on properties each time those statements are edited, usually within a few minutes.
Result for Leerdam (Q388575)
: 5, : 3, : 2568, : 198
| Status | Property | Message | Constraint |
|---|---|---|---|
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| publication date | The parameter "item of property constraint" must be one of the following: | allowed-entity-types constraint | |
| CBS municipality code | An entity with CBS municipality code should also have a statement TOOI identifier. | item-requires-statement constraint | |
| Amsterdam code | This property's value should not be present on any other item, but is also present on Vijfheerenlanden. | distinct-values constraint | |
| Amsterdam code | An entity with Amsterdam code should also have a statement TOOI identifier. | item-requires-statement constraint |