mongodb string query
Provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. “PCRE” ) version 8.42 ... ,Returns a substring of a string, starting at a specified index position and including the ... $substr only has a well-defined behavior for strings of ASCII characters.
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 mongodb string query 相關參考資料
$in — MongoDB Manual
This query selects all documents in the inventory collection where the tags field holds either a string that starts with be or st or an array with at least one element ... https://docs.mongodb.com $regex — MongoDB Manual
Provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. “PCRE” ) version 8.42 ... https://docs.mongodb.com $substr (aggregation) — MongoDB Manual
Returns a substring of a string, starting at a specified index position and including the ... $substr only has a well-defined behavior for strings of ASCII characters. https://docs.mongodb.com $text — MongoDB Manual
A string of terms that MongoDB parses and uses to query the text index. MongoDB performs a logical OR search of the terms unless specified as a phrase. See ... https://docs.mongodb.com Checking if a field contains a string - Stack Overflow
2012年5月16日 — As Mongo shell support regex, that's completely possible. db.users.findOne("username" : /.*son.*/});. If we want the query to be case-insensitive ... https://stackoverflow.com How to query MongoDB with "like"? - Stack Overflow
2014年5月20日 — not something that has "m" anchored to the beginning of the string. note: mongodb uses regular expressions which are more powerful than ... https://stackoverflow.com Query and Projection Operators — MongoDB Manual
... MongoDB Limits and Thresholds · Explain Results · System Collections · Connection String URI Format · Collation · Collation Locales and Default Parameters. https://docs.mongodb.com Query Documents — MongoDB Manual
How do I query documents, query top level fields, perform equality match, query with ... MongoDB supports regular expressions $regex queries to perform string ... https://docs.mongodb.com queryString — MongoDB Atlas
If a value you specified in the query is not found in the field you specified in the query . yes. query, string. One or more indexed fields and values to search. Fields ... https://docs.atlas.mongodb.com Text Search — MongoDB Manual
MongoDB supports query operations that perform a text search of string content. ... MongoDB provides text indexes to support text search queries on string ... https://docs.mongodb.com |