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Regex: Literal Matching
EasyRegular Expressions3-5 minThe brief
Extract every line containing the lowercase text 'error' from /root/work/log.txt into /root/work/out.txt.
'Error' with a capital E is a different string and must NOT appear in your output.
What you'll do
- out.txt holds exactly the lines containing lowercase 'error'
Hands-on lab: you work on a real Linux box in your browser, graded on the machine's actual state.