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Regex: Quantifier ? (Optional)
MediumRegular Expressions5-10 minThe brief
Extract every 'http' or 'https' token from /root/work/urls.txt into /root/work/out.txt, one per line.
Output just the token that matched, not the whole line it came from.
What you'll do
- out.txt holds each http/https token, one per line
Hands-on lab: you work on a real Linux box in your browser, graded on the machine's actual state.