A search word can contain the wildcard characters * and ?.
A ? in a word matches any single character.
A * matches any number of characters.
The wildcard characters can be in any position in a word. For example:
appl* would match apple, application, etc.
*cipl* would match principle, participle, etc.
appl? would match apply and apple but not apples.
ap*ed would match applied, approved, etc.