Named Entity Recognition Grammars Package 26.3
Named Entity Recognition Grammars User Guide

# Customize Validity Checks

During post-processing, for some PII nocontext entities Named Entity Recognition attempts to discard matches that are very likely to be false positives. For example, for driving license IDs, it discards values that are short numbers, or that consist only of alphabetical characters.

You can optionally turn off these basic validity checks if you think they are too strict.

To turn off the basic validity checks, set the environment variable `IDOL_PII_DISABLE_BASIC_VALIDITY_CHECKS` to `TRUE`.

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Version 26.3 | Last updated July 2026

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Product: Named Entity Recognition Grammars Package 26.3

Topic Title: Customize Validity Checks