The patterns, as the engine reads them
confidence 75 (medium)
- Primary: Regex_uk_electoral: regex: (?:^|[\s,;\:\(\)\[\]"'])([a-zA-Z]{2}\d{1,4})(?:$|[\s,\;\:\(\)\[\]"']|\.\s|\.$)
- Required: Keyword_uk_electoral: 4 keywords (word match), e.g. "council nomination", "nomination form", "electoral register"
Catalogue data reflects Microsoft's built-in SITs, which are the same in every tenant. This is a faithful simulation, not the live service, so confirm with the portal's SIT test before acting on a result.