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Which operator in a regular expression matches the preceding character either zero or one time?

A.
?
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A.
?
B.
*
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B.
*
C.
+
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C.
+
D.
%
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D.
%
E.
$
Answers
E.
$
Suggested answer: A
asked 18/09/2024
HAO KANG SUNG
36 questions
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