'mongodb regex query performance issues

I am using mongo java client. I can see x100 slower queries when using regex as compared to normal query for same document. All documents are indexed on field used in query. How do i improve query performance when using regex for searching in mongodb ?

performancemongodbmongodb-queryquery-performancemongo-java


Solution 1:[1]

Indexes don't work on regex in mongodb.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Shrinivas Kalangutkar

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