Question

What is the Regular Expression Matching Zero or More Specific Characters?

(a) x

(b) #

(c) *

(d) &

The question was posed to me by my school principal while I was bunking the class.

I need to ask this question from Finite Automata and Regular Expressions in section Compiler Introduction of Compiler

Answer 1

The correct answer is (c) *

To explain: Zero or Specific Expression matching can be done only by a single character that is*.