Wildcards and Case Sensitivity

Question 1

What does the wildcard character ? represent?

Answer 1

A single character.

Example usage: Find any word that begins with a ‘b’, has two characters in the middle, and ends in a ‘l’.

Results: bowl, ball, bull

Question 2

What does the wildcard character * do?

Answer 2

Matches any characters or no characters at all.

Example usage: Find any word that begins with a ‘b’ and ends in a ‘l’.

Results: bowl, ball, bull, bl, bbll, brawl

Question 3

What does the wildcard character [ ] do?

Answer 3

Matches any words that contain the characters enclosed in the brackets.

Example usage: Find any word that begins with b, contains an a or o as the second character, a l or w as the third character, and ends in a l.

Results: bowl, ball, bull would not be returned as u is not in any set of brackets.