How to remove ^ M from Vim

How to remove ^ M & gt; echo-e & quot; I \ rlove \ rWQ from Vim. & quot; & gt; test use vim to view: I ^ Mlove ^ MWQ. so how to remove ^ M? Next we will introduce two methods to remove ^ M. First cp two copies & gt; cptesttest2 & gt; cptesttest3 first method: Use vimtest2 as shown in... how to remove ^ M> echo-e "I \ rlove \ rWQ from Vim. "> test use vim to view: I ^ Mlove ^ MWQ. so how to remove ^ M? Next we will introduce two methods to remove ^ M. First cp two copies> cp test test2> cp test test3 first method: Use the following replacement method for vim test2 :: % s/^ M/\ r/g # note that Ctrl + V + M is used to input ^ M. The second method is as follows: replace vim test3 with the following method :: % s/\ r/g # note that Ctrl + V + M is used to input ^ M and hexdump is used to view the differences between test2, test3 and test:> hexdump test0000000 0d69 running 6576 570d 2e51 running> hexdump test20000000 0a69 running 6576 570a 2e51 running> using test30000000 0a69 running 6576 570a 2e51 running the difference between converting 0d to 0a.