Which analyzer strategy use

Hello elasticUs, I want to know which is the best route to index a text that
contains codes (for example 1/56DTH) and other normal text but without
losing benefits of analyzed text.
For example I want index the text:
"Every night I need to restart my robots 1/56DTH"

If I use an standard english analyzer (/_analyze?analyzer=english)
everi, night, i, need, restart, my, robot, 1, 56dth

My target is get something like:
everi, night, i, need, restart, my, robot, 1/56dth

I think the key is create a new analyzer with a Pattern Tokenizer capable to
detect 1/56DTH like a term. what do you think? I go in the correct way?

Many thanks for considering my request.

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