create or replace function adam.fn_solonum(pvc_cadena in varchar2)
  return varchar2 is
  vvc_cad varchar2(100);
begin

  return(translate(pvc_cadena,
                   '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzñÑ}{[]+*.,;:żĦ?!#$%&/()=-_',
                   '0123456789'));

end fn_solonum;
/
