FIND Command in Dataset

FIND Command :

1) F ALL P'¬'   -- Gives count of non-space characters
2) F ALL P'='   -- find outs any chacter
3) F ALL P'@'  -- Alphabetic characters
4) F ALL P'-'   -- Non-numeric characters
5) F ALL P'#'   -- Numeric characters

=  any character
.   non-displayable characters
@ alphabetic characters
-  non-numeric characters
# numeric characters
< lower case alphabetics
$  special characters
> upper case alphabetics
¬ non-blank characters