The difference between {n} and {n,} is:
A){n} matches at least n occurrences,whereas {n,} matches exactly n occurrences
B){n} matches exactly n occurrences,whereas {n,} matches at least n occurrences
C){n} and {n,} match exactly n occurrences
D){n,} generates a syntax error

Question

Quizplus · Accepted Answer

{n} matches exactly n occurrences, whereas {n,} matches at least n occurrences. The comma in {n,} indicates that there is no upper limit to the number of occurrences that can be matched, as long as there are at least n occurrences.

The Difference Between {N} and {N,} Is