mongodb string

相關問題 & 資訊整理

mongodb string

Provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. “PCRE” ) version 8.41 ... ,1 if first string is “greater than” the second string. 0 if the two strings are equal. -1 if the first string is “less than” the second string. $strcasecmp has the following ... ,The $strLenCP operator counts the number of code points in the specified string. This behavior differs from the $strLenBytes operator which counts the number ... ,Returns a substring of a string, starting at a specified index position and including the specified number of characters. The index is zero-based. $substr has the ... ,Field, Type, Description. $search, string, A string of terms that MongoDB parses and uses to query the text index. MongoDB performs a logical OR search of the ... ,You can specify the MongoDB connection string using either: the Standard Connection String Format or; the DNS Seedlist Connection Format. ,On second one you have more options, like "i" in options to find using case insensitive. And about the "string", you can use like ".string." (%string%), or "string. ,String expressions, with the exception of $concat , only have a well-defined ... $substr, Returns a substring of a string, starting at a specified index position up to ... ,MongoDB provides text indexes to support text search queries on string content. text indexes can include any field whose value is a string or an array of string ...

相關軟體 MongoDB 資訊

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mongodb string 相關參考資料
$regex — MongoDB Manual

Provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. “PCRE” ) version 8.41 ...

https://docs.mongodb.com

$strcasecmp (aggregation) — MongoDB Manual

1 if first string is “greater than” the second string. 0 if the two strings are equal. -1 if the first string is “less than” the second string. $strcasecmp has the following ...

https://docs.mongodb.com

$strLenCP (aggregation) — MongoDB Manual

The $strLenCP operator counts the number of code points in the specified string. This behavior differs from the $strLenBytes operator which counts the number ...

https://docs.mongodb.com

$substr (aggregation) — MongoDB Manual

Returns a substring of a string, starting at a specified index position and including the specified number of characters. The index is zero-based. $substr has the ...

https://docs.mongodb.com

$text — MongoDB Manual

Field, Type, Description. $search, string, A string of terms that MongoDB parses and uses to query the text index. MongoDB performs a logical OR search of the ...

https://docs.mongodb.com

Connection String URI Format — MongoDB Manual

You can specify the MongoDB connection string using either: the Standard Connection String Format or; the DNS Seedlist Connection Format.

https://docs.mongodb.com

How to query MongoDB with "like"? - Stack Overflow

On second one you have more options, like "i" in options to find using case insensitive. And about the "string", you can use like ".string." (%string%), or "string.

https://stackoverflow.com

String Aggregation Operators - MongoDB Documentation

String expressions, with the exception of $concat , only have a well-defined ... $substr, Returns a substring of a string, starting at a specified index position up to ...

https://docs.mongodb.com

Text Search — MongoDB Manual

MongoDB provides text indexes to support text search queries on string content. text indexes can include any field whose value is a string or an array of string ...

https://docs.mongodb.com