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I altered a code from solo learn app but got confused :

import re
pattern = r'(.+)(.+) \2'
match = re.match(pattern , 'ABC bca cab ABC')
if match:
    print('Match 1' , match.group())

match = re.match(pattern , 'abc BCA cab BCA') 
if match:
    print('Match 2' , match.group())
    
match = re.match(pattern , 'abc bca CAB CAB')
if match:
    print('Match 3' , match.group())

And am getting this output:

Match 1 ABC bca ca
Match 3 abc bca CAB CAB

Any help ?!!

The fourth bird
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