VSCode regex find & replace submatch math?

Question

%s@{fileID: \\(213[0-9]*\\)@\\=\'{fileID: \'.(submatch(1)-1900)@

I am using this regex search and replace command in vim to subtract a constant fro

Answer 1

Another simple example:

Search: style="(.+?)"
Replace: css={css`$1`}

Useful for converting HTML to JSX with emotion/css!