format as a regular expression (P1793)
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regex describing an identifier or a Wikidata property. When using on property constraints, ensure syntax is a PCRE
- regex
- regular expression
- allowed values
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | format as a regular expression |
regex describing an identifier or a Wikidata property. When using on property constraints, ensure syntax is a PCRE |
|
Data type
String
Statements
Q21504947 (Deleted Item)
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Q21099935 (Deleted Item)
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Q19847637 (Deleted Item)
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Q108566342 (Deleted Item)
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Q183205 (Deleted Item)
[^\00/]
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Q185612 (Deleted Item)
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Q21502404 (Deleted Item)
((?:(?:[^?+*{}()[\]\\|]+|\\.|\[(?:\^?\\.|\^[^\\]|[^\\^])(?:[^\]\\]+|\\.)*\]|\((?:\?[:=!]|\?<[=!]|\?>)?(?1)??\)|\(\?(?:R|[+-]?\d+)\))(?:(?:[?+*]|\{\d+(?:,\d*)?\})[?+]?)?|\|)*)
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Q56162322 (Deleted Item)
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no value
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Q24025284 (Deleted Item)
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When used in property constraint, it should contain PCRE2 regular expression, treated as "full match". For example, "(?i)[a-z]+|\d+|" means that validated string should match /^(?:[a-z]+|\d+)$/i or be set to "no value" or "unknown value" (English)
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