Solr Spellalike Feature

[octopus]

Hi, I am new to Solr and would like to find out if Solr has a spellalike
feature that can fulfill this requirement:

Searching "HAT" in the data that contains "CAT" would match. 
It is similar to searching: ?AT, H?T and ?AT.

Other than querying multiple times, do you have advice on how I can optimize
my search or is there a built-in feature for this spellalike functionality?



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Solr Wildcard Search for large amount of text

[octopus]

Hi, I'm looking at Solr's features for wildcard search used for a large
amount of text. I read on the net that solr.EdgeNGramFilterFactory is used
to generate tokens for wildcard searching. 

For Nigerian => "ni", "nig", "nige", "niger", "nigeri", "nigeria",
"nigeria", "nigerian"

However, I have a large amount of text out there which requires wildcard
search and it's not viable to use EdgeNGrameFilterFactory as the amount of
processing will be too huge. Do you have any suggestions/advice please?

Thank you so much for your time! 



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