Which of the Following Statements About Regular Expressions Is True

question 34

Multiple Choice

Which of the following statements about regular expressions is true.

• A) The set of braces containing two numbers, {n,m}, matches between n and m occurrences (inclusively) of the pattern that it quantifies.
• B) All of the regular expression quantifiers are greedy; they'll match as many occurrences of the pattern as possible until the pattern fails to make a match.
• C) If a quantifier is followed by a question mark (?), the quantifier becomes lazy and will match as few occurrences as possible as long as there is a successful match.
• D) All of the above.

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Definitions:

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, due to market price.

Price Floor

A government or regulatory-imposed minimum price for a particular good or service, above the equilibrium price.

Government Purchases

Expenditures by government entities on goods and services that are part of government consumption or investment.

Producer Surplus

The difference between the amount producers receive from selling a good or service and the minimum amount they would accept for that good or service.