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regular expression syntax
qualifier to indicate which syntax/variant of regular expressions applies to a particular pattern
In more languages
Data type
Item
Statements
instance of
Wikidata qualifier
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Wikidata item of this property
regular expression
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Wikidata property example
Portable Network Graphics, version 1.0
file format identification pattern
(?s)\A\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR
regular expression syntax
Python version 3 regular expression
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stability of property value
sometimes changes
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related property
format as a regular expression
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file format identification pattern
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syntax clarification
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format as language specific regular expression
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property proposal discussion
https://www.wikidata.org/wiki/Wikidata:Property_proposal/regular_expression_syntax
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Constraints
property constraint
property scope constraint
property scope
as qualifier
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value-type constraint
relation
subclass of
class
regular expression
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allowed-entity-types constraint
item of property constraint
Wikibase item
Q29934218
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