Java code to strip HTML and do Unique?

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We have fields that are created just for indexing, and we would like to strip the HTML and make it unique, before we put it into the field. I was thinking maybe we can just use the tokenizer filter directly to do this in Java - but couldn't make heads or tails on how to use that API ?

Thanks!

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So for example:

< p > Hello there < /p > -> Hello There.

This is a repeat repeat repeat -> This is a repeat

We want to store those in the _source field that way and save a ton of disk space. Basically we are good with storing it in _source but want to remove the HTML and do unique tokenization and then string it together and put into the normal PUT.

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