elsonwx elsonwx - 4 months ago 6
Linux Question

vim regular replace,how to replace the old str with old str+appended str

this is the text in my vim

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I want to change it to the content as next using regular,

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I have try

,it's no working..


You can achieve that with the following replacement:

         ^ ^ 

The ^.*$ pattern will match the whole line, and & is a backreference to the whole match. So, the replacement is inserting back the whole match, a comma, and again the whole match.

NOTE: The ^ and $ in this ^.*$ pattern can be omitted, but a lot of people prefer to keep them explicit in the pattern to facilitate pattern readability and further pattern testing.

An alternative in case you want to avoid matching empty lines:


The .\+ will match 1 or more characters.