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 ...
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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 |