Explain in plain English the following two regex:

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correctanswer
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Joined: Sat Aug 07, 2021 7:38 am

Explain in plain English the following two regex:

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Explain in plain English the following two regex:
instructor@instructor-VirtualBox:~$ cat example_2.txt apple banana pear apple kiwi apple apple pear banana kiwi apple kiwi apple banana kiwi app apple apple app kiwi kiwi pear pear apple kiwi apple kiwi instructor@instructor-VirtualBox:~$ egrep '(\b\w+\b) (\b\w+\b) \ 1 \2' example_2.txt apple kiwi apple kiwi instructor@instructor-VirtualBox:~$
instructor@instructor-VirtualBox:~$ instructor@instructor-VirtualBox:~$ cat example_2.txt apple banana pear apple kiwi apple apple pear banana kiwi apple kiwi apple banana kiwi app apple apple app kiwi kiwi pear pear apple kiwi apple kiwi instructor@instructor-VirtualBox:~$ egrep '(\b\w+\b) \1' example_2.txt apple apple pear banana kiwi app apple apple app kiwi kiwi pear pear instructor@instructor-VirtualBox:~$
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