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[DOCS] Query strings are normalized for fuzzy (~) operator (#73921)

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Notes that `fuzzy` queries made using the query string query's `~`
operator are normalized.

Closes #73299
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James Rodewig 2021-06-28 13:13:41 -04:00 • committed by GitHub
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4
docs/reference/query-dsl/query-string-query.asciidoc
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@ -142,8 +142,8 @@ You can use this parameter query to search across multiple fields. See
--
`fuzziness`::
(Optional, string) Maximum edit distance allowed for matching. See <<fuzziness>>
for valid values and more information.
(Optional, string) Maximum edit distance allowed for fuzzy matching. For fuzzy
syntax, see <<query-string-fuzziness>>.
`fuzzy_max_expansions`::
(Optional, integer) Maximum number of terms to which the query expands for fuzzy

10
docs/reference/query-dsl/query-string-syntax.asciidoc
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@ -116,13 +116,15 @@ Use with caution!
[[query-string-fuzziness]]
====== Fuzziness
We can search for terms that are
similar to, but not exactly like our search terms, using the ``fuzzy''
operator:
You can run <<query-dsl-fuzzy-query,`fuzzy` queries>> using the `~` operator:
quikc~ brwn~ foks~
This uses the
For these queries, the query string is <<analysis-normalizers,normalized>>. If
present, only certain filters from the analyzer are applied. For a list of
applicable filters, see <<analysis-normalizers>>.
The query uses the
{wikipedia}/Damerau-Levenshtein_distance[Damerau-Levenshtein distance]
to find all terms with a maximum of
two changes, where a change is the insertion, deletion