gs gs109 Regular Expressions - Python Regular Expressions - Quiz No.5
gs gs109 Python Quiz
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Question 1: Which of the codes shown below results in a match?
re.match(‘George(?=Washington)’, ‘George Washington’)
re.match(‘George(?=Washington)’, ‘George’)
re.match(‘George(?=Washington)’, ‘GeorgeWashington’)
re.match(‘George(?=Washington)’, ‘Georgewashington’)
Question 2: What will be the output of the following Python code?
re.split(r'(a)(t)', 'Maths is a difficult subject')
[‘M a t h s i s a d i f f i c u l t s u b j e c t’]
[‘Maths’, ‘is’, ‘a’, ‘difficult’, ‘subject’]
‘Maths is a difficult subject’
[‘M’, ‘a’, ‘t’, ‘hs is a difficult subject’]
Question 4: What will be the output of the following Python code?
import re s = 'abc123 xyz666 lmn-11 def77' re.sub(r'\b([a-z]+)(\d+)', r'\2\1:', s)
‘123abc: 666xyz: lmn-11 77def:’
‘77def: lmn-11: 666xyz: 123abc’
‘abc123:’, ‘xyz666:’, ‘lmn-11:’, ‘def77:’
‘abc123: xyz666: lmn-11: def77’
Question 5: What will be the output of the following Python code?
re.subn('A', 'X', 'AAAAAA', count=4)
‘XXXXAA, 4’
(‘AAAAAA’, 4)
(‘XXXXAA’, 4)
‘AAAAAA, 4’
Question 6: What will be the output of the following Python code?
n = re.sub(r'\w+', 'Hello', 'Cats and dogs') Hello Hello Hello
‘Hello Hello Hello’
[‘Hello’, ‘Hello’, ‘Hello’]
(‘Hello’, ‘Hello’, ‘Hello’)
Question 7: What will be the output of the following Python code?
w = re.compile('[A-Za-z]+') w.findall('It will rain today')
‘It will rain today’
(‘It will rain today’)
[‘It will rain today’]
[‘It’, ‘will’, ‘rain’, ‘today’]
Question 9: What will be the output of the following Python code?
re.split(r'\s+', 'Chrome is better than explorer', maxspilt=3)
[‘Chrome’, ‘is’, ‘better’, ‘than’, ‘explorer’]
[‘Chrome’, ‘is’, ‘better’, ‘than explorer’]
(‘Chrome’, ‘is’, ‘better’, ‘than explorer’)
‘Chrome is better’ ‘than explorer’
Question 10: What will be the output of the following Python code?
a=re.compile('[0-9]+') a.findall('7 apples and 3 mangoes')
[‘apples’ ‘and’ ‘mangoes’]
(7, 3)
[‘7’, ‘3’]
Error
