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 TV-U Yamagata (Q8014697)
: 4, : 2, : 3, : 580, : 18, : 2
| Status | Property | Message | Constraint |
|---|---|---|---|
| Facebook username | /^(?:(?!\w+\.php\b|people\b)[\p{L}\d.\\/-]*)$/u is not a valid regular expression. | format constraint | |
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/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 | |
| frequency | The value for frequency should have one of the following units: | allowed units constraint | |
| Corporate Number (Japan) | An entity with Corporate Number (Japan) should also have a statement legal form. | item-requires-statement constraint | |
| X username | This X username statement is missing a qualifier start time. | required qualifier constraint | |
| call sign | An entity with call sign should also have a statement service entry. | item-requires-statement constraint | |
| official website | This official website statement is missing a qualifier language of work or name. | required qualifier constraint |