Py4e: Chapter 14 and Answers 100% Pass 2025/2026
Graded A+
Which of the following best describes "Regular Expressions"? - A small programming language unto
itself
Which of the following is the way we match the "start of a line" in a regular expression? - ^
What would the following mean in a regular expression? [a-z0-9] - Match a lowercase letter or a digit
What is the type of the return value of the re.findall() method? - A list of strings
What is the "wild card" character in a regular expression (i.e., the character that matches any
character)? - .
What is the difference between the "+" and "*" character in regular expressions? - The "+" matches
at least one character and the "*" matches zero or more characters
What does the "[0-9]+" match in a regular expression? - One or more digits
What does the following Python sequence print out?
x = 'From: Using the : character'
y = re.findall('^F.+:', x)
print(y) - not From: or :
What character do you add to the "+" or "*" to indicate that the match is to be done in a non-greedy
manner? - ?
Given the following line of text:
From Sat Jan 5 09:14:16 2008
What would the regular expression '\S+?@\S+' match? -
Which of the following regular expressions would extract 'uct.ac.za' from this string using re.findall?
Graded A+
Which of the following best describes "Regular Expressions"? - A small programming language unto
itself
Which of the following is the way we match the "start of a line" in a regular expression? - ^
What would the following mean in a regular expression? [a-z0-9] - Match a lowercase letter or a digit
What is the type of the return value of the re.findall() method? - A list of strings
What is the "wild card" character in a regular expression (i.e., the character that matches any
character)? - .
What is the difference between the "+" and "*" character in regular expressions? - The "+" matches
at least one character and the "*" matches zero or more characters
What does the "[0-9]+" match in a regular expression? - One or more digits
What does the following Python sequence print out?
x = 'From: Using the : character'
y = re.findall('^F.+:', x)
print(y) - not From: or :
What character do you add to the "+" or "*" to indicate that the match is to be done in a non-greedy
manner? - ?
Given the following line of text:
From Sat Jan 5 09:14:16 2008
What would the regular expression '\S+?@\S+' match? -
Which of the following regular expressions would extract 'uct.ac.za' from this string using re.findall?
