Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
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Q20: Using regular expressions, you can perform detailed
Q21: Regular expressions facilitate text substitution operations. However,
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Q23: The ^ character is used in a
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