Hello would clean the chain and shown only letters
could not do to eliminate as numbers and special characters.

my simple script that does not work very well
Code:
%text = $remove($1-,!,?,¿,',.,*,1,2,3,4,5,),6,7,8,9,0,[,])
echo %text


Thank you very much to all who support this community selflessly. a hug and to expect your prompt replies. thanks