Re: Regular expression for lower case to upper case.

On Saturday, December 10, 2022, Eagna <eagna(at)protonmail(dot)com> wrote:

>
>
> Hi all,
>
>
> I want a regex to change the case of a field from UPPER to lower.
>
> I know about the UPPER() and LOWER() functions and they are not what I
> want.
>
> I would have thought this should be very simple, but I've searched a lot
> and can't seem to get an answer.
>
> Here's a fiddle with a couple of things that I've tried - I'm obviously
> missing something that should be starting me in the face.
>
> Any input appreciated.
>
>
> E.
>
>
>
RegExp by itself cannot do this. You have to match all parts of the input
into different capturing groups, then use lower() combined with format() to
build a new string. Putting the capturing groups into an array is the most
useful option.

David J.