Given the Following Input Stream: Txt1

question 59

Multiple Choice

Given the following input stream: txt1.txt atxt.txt txtB.txt Which of the following regular expressions turns this input stream into the following output stream? txt1.bak.txt atxt.bak.txt txtB.bak.txt

• A) s/^.txt/.bak/
• B) s/txt/bak.txt/
• C) s/txt$/bak.txt/
• D) s/^txt$/.bak^/
• E) s/[.txt]/.bak$1/

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