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Looking for way to get central to match service UUID pattern

I am trying to provide a custom peripheral service with a 128-bit UUID in an nRF51822. I would like to use two bytes of the UUID to encode a piece of information unique to each device, but the service is the same in all devices, and the characteristic UUID are all the same. I need to connect to each peripheral with a central (S130) softdevice, but the only way I see to do this is to register a separate service for every expected UUID with ble_db_discovery_evt_register. This is impractical for any more than a few values. Is there any way to have the discovery process treat the UUID as a pattern, producing a match for only part of it? Or is there some way to update the discovery db with the appropriate service UUID each time before connecting to a peripheral? Thanks in advance for any suggestions.

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