Frequently Asked Questions¶
On this page
Can I run partial string matching Atlas Search queries?¶
Yes. The following Atlas Search operators support partial string matching queries:
Can I perform case-insensitive search with the wildcard
or regex
operator?¶
Yes. You can use the wildcard and regex operators with a custom analyzer to perform a case-insensitive search. You can define a custom analyzer with the following tokenizer and token filter to perform a wildcard case-insensitive search:
Can I use the shard key to run Atlas Search queries on specific shard(s)?¶
No, you can't use the shard key to run Atlas Search queries on a specific shard or a subset of shards. In a sharded cluster environment, Atlas Search queries are scatter-gather queries that run on all the shards.