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I need to compare 2 strings and calculate their similarity, to filter down a list of the most similar strings.
e.g. searching for "dog" would return
e.g. searching for "crack" would return
I have come across:
What other string similarity algorithms are there?
It seems you are needing some kind of fuzzy matching. Here is java implementation of some set of similarity metrics http://www.dcs.shef.ac.uk/~sam/stringmetrics.html. Here is more detailed explanation of string metrics http://www.cs.cmu.edu/~wcohen/postscript/ijcai-ws-2003.pdf it depends on how fuzzy and how fast your implementation must be.