Check out this earlier thread: https://lists.gnu.org/archive/html/emacs-orgmode/2016-05/msg00240.html
On Fri, 30 Dec 2016, dmg wrote:
> hi everybody,
>
> has anybody written a function to select the text in a cell of a table?
If you mean like what ob-ref.el uses to support babel references, yes.
Also see org-table.el.
If you just want support for working with Babel src blocks, see
(info "(org) var")
HTH,
Chuck
Kaushal Modi