Quiz 02 - Regular Expressions

Last name, First name Middle Initial

Gender

• Male
• Female

1. What does the regular expression ^X.*: match?

• A) Any line starting with X followed by any characters and a colon.
• B) Any line containing 'X'.
• C) Any line ending with 'X:'.
• D) None of the above.

2. Which regex pattern matches a line that starts with the exact word 'From'?

• A) ^From
• B) From$
• C) \bFrom
• D) \BFrom

3. What does the character set [a-zA-Z0-9] represent?

• A) Any alphabetic character or digit.
• B) Any lowercase letter.
• C) Any special character.
• D) None of the above.

4. What does the + signify in a regular expression?

• A) Match 1 or more times.
• B) Match 0 or 1 time.
• C) Match 0 or more times.
• D) Match exactly one time.

5. What is the function of re.findall() in Python?

• A) Finds and replaces substrings.
• B) Splits strings based on a pattern.
• C) Extracts all matches of a pattern in a string as a list.
• D) Checks if a pattern matches anywhere in the string.

6. How would you write a regex to match a string that contains only digits?

• A) '[0-9]+'
• B) '[0-9]'
• C) '[^0-9]'
• D) 'd+'

7. Which special character needs to be escaped if you want to search for it directly in a text?

• A) +
• B) .
• C) *
• D) All of the

8. What does the regex \s match?

• A) Any whitespace character.
• B) Any non-whitespace character.
• C) Any word character.
• D) Any non-word character.