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/
Correct Answer:
Verified
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