I highly recommend giving "gema" a look.

It is one of the quite obscure yet superb ways of transforming text, surpassing the readability and the efficiency of regular expressions by an odd margin.

https://gema.sourceforge.net/new/gema_man.shtml

It is one of my biggest discoveries of the last months.

#gema #text #pattern #regex #sed #manipulation

gema(1)