Text Search Languages

Text Search Languages

Atlas Full-Text Search

MongoDB Atlas Full-Text Search Indexes leverage Apache Lucene topower rich text search with features like language analysis andscoring.

Visit Atlas Full-Text Searchto learn more. You can use the Atlas promotional codeMONGODB4DOT2 for $200 of Atlas credit. For information onredeeming Atlas credit, see Atlas Billing.

The text index and the $textoperator supports the following languages:

Changed in version 2.6: MongoDB introduces version 2 of the text search feature. Withversion 2, text search feature supports using the two-letterlanguage codes defined in ISO 639-1. Version 1 of text search onlysupported the long form of each language name.

Removal of Support for RLP

MongoDB Enterprise no longer supports Text Search with BasisTechnology Rosette Linguistics Platform.

Language Name	ISO 639-1 (Two letter codes)
`danish`	`da`
`dutch`	`nl`
`english`	`en`
`finnish`	`fi`
`french`	`fr`
`german`	`de`
`hungarian`	`hu`
`italian`	`it`
`norwegian`	`nb`
`portuguese`	`pt`
`romanian`	`ro`
`russian`	`ru`
`spanish`	`es`
`swedish`	`sv`
`turkish`	`tr`

Note

If you specify a language value of "none", then the text searchuses simple tokenization with no list of stop words and no stemming.