A regular expression is ____.
A) A pattern used to identify matching character data
B) A mechanism that facilitates the collection of input
C) A special type of variable, array, or hash that facilitates pattern matching and string substitution
D) None of the above

Question

Quizplus · Accepted Answer

A regular expression is a pattern used to identify matching character data. It is a sequence of characters that define a search pattern, which can be used to match, validate, and manipulate strings.

A Regular Expression Is ____