Named Entity Recognition Grammars Package 25.2
Named Entity Recognition Grammars User Guide

# date grammar

The date grammar is found in the sets PII, PHI, PCI.

entity | description | examples | components | checksum
--- | --- | --- | --- | ---
date/dob/context/LLL | A date of birth, written numerically or using words. This entity returns dates in the normalized ISO-8601 format YYYY-MM-DD. | GEBOORTEDATUM: 01/01/2018 date of birth 1/1/2018 | ✔️ | ❌
date/dob/landmark/LLL | A date of birth landmark. | DOB Fecha de nacimiento | ❌ | ❌
date/dob/noyear/context/eng | An English date of birth without the year, with context. | DOB: 01/13 | ✔️ | ❌
date/dod/context/eng | An English date of death, with context. | Died on: 01/13/1981 | ✔️ | ❌
date/dod/landmark/eng | An English date of death landmark. | Died on | ❌ | ❌
date/dod/noyear/context/eng | An English date of death without the year, with context. | Died on: 01/13 | ✔️ | ❌
date/medical/context/eng | An English medical date with context. | Admission date: 01/13/1981 | ✔️ | ❌
date/medical/landmark/eng | An English medical date landmark. | Admission date | ❌ | ❌
date/medical/noyear/context/eng | An English medical date without the year, with context. | Admission date: 01/13 | ✔️ | ❌
date/nocontext/LLL | A calendar date, written numerically or using words, without context. This entity returns dates in the normalized ISO-8601 format YYYY-MM-DD. Partial dates without a day are formatted YYYY-MM. | 01.03.1918 2018_01_01 вторник, 30 октомври 2018 | ✔️ | ❌
date/noyear/nocontext/eng | An English date without the year, without context. | 01/13 | ✔️ | ❌
date/paymentcard/context/LLL | A card date, with context. | Expires end: 01/20 | ✔️ | ❌
date/paymentcard/landmark/LLL | A card date landmark. | Expires end | ❌ | ❌
date/paymentcard/nocontext/LLL | A card date without context. | 01/20 | ✔️ | ❌

In the tables, ✔️ indicates that the item is always used, and ❌ that the item is never used. The ✓ symbol indicates that the item is only used for some entities (that is, for some but not all countries or languages). For details, refer to the relevant entity page.

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Version 25.2 | Last updated April 2025

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Product: Named Entity Recognition Grammars Package 25.2

Topic Title: date grammar