edktool Command-Line Tool > Eduction Parameters > ZoneEndN

ZoneEndN
An Eduction regular expression that defines the end point of the zone. Replace N with the zero-based rank order of the zone description.
A zone is a section of a field defined by a starting and ending pattern. Zones locate entities in parts of a field. If you do not add zone entries, the entire field is matched for text. If the ending pattern is absent, the search begins at a match for the starting pattern and continues until the end of the field.
Use the EntityZoneN parameter to associate an entity identified in an EntityN parameter with one or more zones defined using the ZoneStartN and ZoneEndN parameters.
 
NOTE You must choose start and end patterns that do not match the same text in a field.