Regex Search/Replace: Transform group to lowercase

[fredrikhr]

In a Search-and-Replace operation that uses Regular Expressions it should be possible to apply simple transformations on capture groups, like lowercase or uppercase a capture group.

This would be extremely useful when you for example would like to turn all fields in a C# class into auto-properties and hence would like to PascalCase all identifiers.

In Sublime and TextMate this can be accoplished by using \L$1 to lowercase capture group 1.

• VSCode Version: 1.12.1
• OS Version: Microsoft Windows [Version 10.0.14393]

[pipwilson]

I think this is a dupe of #12185.

[vscodebot]

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