This online help uses the Apache Lucene information retrieval library for its built-in search engine. Lucence features a powerful query syntax for best search results.
Search type | Syntax and characters | Explanation / example | |
|---|---|---|---|
Wildcard for a single character matches | ? | "te?t" returns: text, test | |
Wildcard for matches of 0 or more characters | * | "tet* " returns: tests, testing | |
Boolean operators: | + | Must be present | |
|| | Or | ||
NOT | ! | Not | |
Grouping, Boolean logic combined with brackets | (term operator term) | (test !text) | |