Question

Explain different wildcard characters, giving suitable example.

Answer 1

"The wildcard characters are characters which are used in the regular expressions.

There are lots of wildcard characters available that includes *, ?, ! and [].

* - wh* actually finds why, wite and why

? – b?II finds bill, ball and bell

! - b[!ae]ll finds bull and bill, but not bell or ball

[] – b[ae]II finds bell and ball, but not bill

"