https://learn.microsoft.com/en-us/dotnet/api/system.char.tolower?view=net-10.0&redirectedfrom=MSDN
Char.ToLower Method (System) | Microsoft Learn
Converts the value of a Unicode character to its lowercase equivalent.
chartolowermethodsystemmicrosoft
https://docs.spring.io/spring-data/mongodb/reference/api/java/org/springframework/data/mongodb/core/aggregation/StringOperators.ToLower.html
StringOperators.ToLower (Spring Data MongoDB - Core 5.0.5 API)
declaration: package: org.springframework.data.mongodb.core.aggregation, class: StringOperators, class: ToLower
spring data mongodbtolowercoreapi
https://www.php.net/manual/uk/intlchar.tolower.php
PHP: IntlChar::tolower - Manual
Make Unicode character lowercase
phptolowermanual
https://www.codecademy.com/resources/docs/go/strings/tolower
Go | Strings | ToLower() | Codecademy
Converts a string to lowercase.
gostringstolowercodecademy
https://www.mongodb.com/pt-br/docs/v4.4/reference/operator/aggregation/tolower/
$toLower (aggregation) - MongoDB Manual v4.4 - MongoDB Docs
toloweraggregationmongodbmanualdocs
https://docs.spring.io/spring-data/mongodb/docs/4.4.12/api/org/springframework/data/mongodb/core/aggregation/StringOperators.ToLower.html
StringOperators.ToLower (Spring Data MongoDB 4.4.12 API)
declaration: package: org.springframework.data.mongodb.core.aggregation, class: StringOperators, class: ToLower
spring data mongodbtolowerapi