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What does the following regular expression match? [ -~] Note that there is a SPACE after [ Your answer: Hint: you may need to refer
- What does the following regular expression match?
[ -~] Note that there is a SPACE after [
Your answer:
Hint: you may need to refer to the ASCII table when working on this question.
- What does this command do?
sed 's/black/white/'
Your answer:
- What does the following command do and how does it work?
sed -e 's/<[^>]*>//g' file
Your answer:
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