charlist definition
A group of one or more characters enclosed by [ ] as part of Like
operator's right string expression.
•This list contains single characters
and/or character ranges which describe the characters in the list.
•A range of characters is indicated
with a hyphen (-) between two characters. The first character must be
ordinally less than or equal to the second character.
•Special pattern characters
like ?, *, # and [ can be matched as literal characters.
•The ] character can not be
part of charlist, but it can be part of the pattern outside the charlist.