Bigrams for selected keywords

Elastic Stack Elasticsearch
1

Hi,

I have following data with a list of special keywords (e.g.EAST, WEST). These special keywords are associated with numbers. Therefore regular tokenizer doesn't produce relevant tokens since I want bigrams (word and value) for these special keywords only. For rest of words i want regular tokens.

Note: there is semicolon after EAST numbers and WEST which is delimiter for values of given keyword

Any advice how this can be achieved?

Data - EAST 1,2,3,4;WEST 4,9;Queen Street north tower

Tokens
EAST 1
EAST 2
EAST 3
EAST 4
WEST 4
WEST 9
Queen
Street
north
tower

2

I think it would be easier to do this before pushing it into Elasticsearch if you can.

3

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