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Question 237 - 101-500 discussion
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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