> Am 16.05.2018 um 09:10 schrieb Torsten Förtsch <tfoertsch123(at)gmail(dot)com>:
>
> select array_agg(i[1]) as e from regexp_matches( 'H2O', '[0-9]*[A-Z][a-z]?\d*|\((?:[^()]*(?:\(.*\))?[^()]*)+\)\d+', 'g') t(i);
perfect, this helps with the t(i) call
Phil