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The advancedSyntaxFeatures parameter defines which advanced query features are enabled when advancedSyntax is set to true.

​
Options

​
exactPhrase
Enables exact phrase matching with double quotes ("). For example, "search engine" only matches records where “search” is followed by “engine” in a searchable attribute.
Typo tolerance is not applied inside quoted phrases.
​
excludeWords
Enables word exclusion using the minus sign (-). For example, search -engine matches records that contain “search” but not “engine”.

​
Example

Current API clients

var response = await client.SearchSingleIndexAsync<Hit>(
  "INDEX_NAME",
  new SearchParams(
    new SearchParamsObject
    {
      Query = "query",
      AdvancedSyntax = true,
      AdvancedSyntaxFeatures = new List<AdvancedSyntaxFeatures>
      {
        Enum.Parse<AdvancedSyntaxFeatures>("ExactPhrase"),
      },
    }
  )
);

index.Search(new Query {
  AdvancedSyntax = true,
  AdvancedSyntaxFeatures = new List { "exactPhrase" }
});
Last modified on March 23, 2026