kitten -> sitten (1 substitution (k turned into s) = fuzziness is 1)
kitten -> sittin (2 substitutions (k turned into s and e turned into i) = fuzziness is 2)
Example: quikc~ brwn~ foks~ (as the default edit distance is 2, this query will catch all quick, quack, quock, uqikc, etc. as well as brown, folks, etc.)Example: Datashare~1 (this query will catch Datasahre, Dqtashare, etc.)
“the cat is blue” -> “the small cat is blue” (1 insertion = fuzziness is 1)
“the cat is blue” -> “the small is cat blue” (1 insertion + 2 transpositions = fuzziness is 3)
Example: "fox quick"~5 (this query will catch "quick brown fox", "quick brown car thin fox" or even "quick brown car thin blue tree fox"