gs gs109 Regular Expressions - Python Regular Expressions - Quiz No.1
gs gs109 Python Quiz
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Question 1: Which of the following functions returns a dictionary mapping group names to group numbers?
re.compile.group
re.compile.groupindex
re.compile.index
re.compile.indexgroup
Question 2: Which of the following statements regarding the output of the function re.match is incorrect?
‘pq*’ will match ‘pq’
‘pq?’ matches ‘p’
‘p{4}, q’ does not match ‘pppq’
‘pq+’ matches ‘p’
Question 4: Which of the following functions does not accept any argument?
re.purge
re.compile
re.findall
re.match
Question 6: Which of the following lines of code will not show a match?
>>> re.match(‘ab*’, ‘a’)
>>> re.match(‘ab*’, ‘ab’)
>>> re.match(‘ab*’, ‘abb’)
>>> re.match(‘ab*’, ‘ba’)
Question 7: What will be the output of the following Python code?
m = re.search('a', 'The blue umbrella') m.re.pattern
{}
‘The blue umbrella’
‘a’
No output
Question 8: What will be the output of the following Python code?
re.sub('Y', 'X', 'AAAAAA', count=2)
‘YXAAAA’
(‘YXAAAA’)
(‘AAAAAA’)
‘AAAAAA’
Question 9: The character Dot (that is, ‘.’) in the default mode, matches any character other than _____________
caret
ampersand
percentage symbol
newline
Question 10: The expression a{5} will match _____________ characters with the previous regular expression.
5 or less
exactly 5
5 or more
exactly 4
