Property talk:P2916

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syntax clarification
qualifier for P1793 (regular expression): to provide a textual description of the regex syntax of a value. Should be displayable after the text "The value for the property should match" and be followed by the regex.

Represents	syntax (Q37437)
Data type	Monolingual text
Domain	Properties with cryptic property values, in particular for property "format as regular expression", P1793. (note: this should be moved to the property statements)
Allowed values	According to this template: Any descriptive text According to statements in the property: .{2,2000} When possible, data should only be stored as statements
Usage notes	brukast for å uttrykke ein tekstleg verdi for eigenskapen og skal følgjast av regulæuttrykket (regex)
Example	According to this template: Yandex Music artist ID (P1553) : format as a regular expression (P1793) → "[1-9]\d{0,6}" qualified with syntax clarification → "numeric string, 1 to 7 digits (English)" According to statements in the property: Yandex Music artist ID (P1553) → numerisk streng, 1 til 7 tall Norwegian historical register of persons ID (P4574) → p etterfølgd av ein bokstav When possible, data should only be stored as statements
See also	format as a regular expression (P1793), Wikidata usage instructions (P2559), constraint clarification (P6607), media legend (P2096)
Lists	Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P2916
Proposal discussion	Proposal discussion
Current uses	Total 1,835 Main statement 6 0.3% of uses Qualifier 1,791 97.6% of uses Reference 38 2.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Scope is as qualifier (Q54828449): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2916#Scope, hourly updated report, SPARQL

Item “format as a regular expression (P1793)”: Items with this property should also have “format as a regular expression (P1793)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2916#Item P1793, SPARQL

Conflicts with “instance of (P31): written work (Q47461344)”: this property must not be used with the listed properties and values. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2916#Conflicts with P31, SPARQL

Format “.{2,2000}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2916#Format, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200), Wikibase property (Q29934218): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2916#Entity types

Scope

Please see Wikidata:Property proposal/Property constraint comment.
--- Jura 12:37, 10 August 2016 (UTC)

I updated the description per suggestion there.
--- Jura 12:35, 20 August 2016 (UTC)