%text = $remove($1-,!,?,¿,',.,*,1,2,3,4,5,),6,7,8,9,0,[,]) echo %text
%text = $regsubex($1-,/[^a-z]/ig,)
%text = $regsubex($1-,/[^a-z]/igS,)
%text = $regsubex($1-,/[^a-z ]/igS,)