Named Entity Recognition 25.4
Named Entity Recognition User and Programming Guide

# ZoneStartN

A regular expression that defines the start point of a zone.

A zone is a section of a field defined by a start and end pattern. Zones locate entities in parts of a field. If you do not add zone entries, Named Entity Recognition searches the entire field. If you do not set the start pattern, the search begins at the start of the field and continues until a match for the end pattern.

Use EntityZoneN to associate an entity identified in an EntityN parameter with one or more zones that you define by using `ZoneStartN` and ZoneEndN.

NOTE: Your start and end patterns must not match the same text in a field.

Type: | String
Default: | None
Required: | No
Configuration Section: | Eduction
Example: | `ZoneStart0=Social Security: ZoneEnd0=Shipping Address ZoneStart1=Shipping Address: ZoneEnd1=Billing Address`
See Also: | EntityN EntityZoneN ZoneEndN

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Named Entity Recognition 25.4

Topic Title: ZoneStartN