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Regular Expressions and Text Processing Quiz

Authored by Vinodha D Computer Science and Engineering

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Regular Expressions and Text Processing Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the purpose of regular expressions?

To specify text strings

To create visual representations

To analyze numerical data

To generate random text

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What does the caret (^) signify in regular expressions?

Start of a line

End of a line

A space character

Any digit

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following is a valid regular expression for matching an uppercase letter?

[0-9]

[A-Z]

[^A-Z]

[a-z]

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What does the pipe symbol (|) represent in regular expressions?

Repetition

Disjunction

Negation

Concatenation

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

In the context of regular expressions, what does the question mark (?) indicate?

Optional previous character

None of the above

Zero or more of the previous character

One or more of the previous character

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the function of capture groups in regular expressions?

To replace text in a string

To match only specific characters

To ignore certain patterns

To group patterns for reference

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the primary goal of text normalization in NLP?

To analyze sentence structure

To standardize text formats

To increase the size of the vocabulary

To generate random text

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