Text Search Languages

Atlas Full-Text Search

MongoDB Atlas Full-Text Search Indexes leverage Apache Lucene to power rich text search with features like language analysis and scoring.

Visit Atlas Full-Text Search to learn more. You can use the Atlas promotional code MONGODB4DOT2 for $200 of Atlas credit. For information on redeeming Atlas credit, see Atlas Billing.

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

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

Removal of Support for RLP

MongoDB Enterprise no longer supports Text Search with Basis Technology 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


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