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 Q19690756 (Q19690756)

: 4, : 1, : 1, : 387, : 2

StatusPropertyMessageConstraint
archive URL/^(?:https?:\\/\\/(web\.archive\.org\\/web\\/[0-9if_]{14,17}|archive\.org\\/(details|download)|archive\.(today|is|fo|li|ph|vn)\\/[0-9]{4}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}|webrecorder\.io|(www\.)?webcitation\.org|perma\.cc|perma\-archives\.org|([^\\/]+\.)?megalodon\.jp|warp\.da\.ndl\.go\.jp|archive\.wikiwix\.com|(webarchive|yourarchives)\.nationalarchives\.gov\.uk|(pandora|trove|webarchive|content\.webarchive)\.nla\.gov\.au|webarchive\.loc\.gov|media\.digitalarkivet\.no|arquivo\.pt|(swap|sul-swap-prod)\.stanford\.edu)\\/.+|https?:\\/\\/archive\.(today|is|fo|li|md|ph|vn)\\/[a-zA-Z0-9]{4,})$/u is not a valid regular expression.format constraint
Wikimedia import URL/^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/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
located in time zoneAn entity should not have a statement for located in time zone if it also has a statement for instance of with value village.conflicts-with constraint
populationThis population statement is missing a qualifier determination method.required qualifier constraint