Re: Insert space before last character

On 2017-10-24 12:58, Adrian Johnson wrote:
> I am trying to insert space after first character in a line and a
> space before last character in same line using command mode. I could
> introduce space before first character but could not insert space
> before last character.
>
>
> F783S
> Y625D
> A1705V
>
> :%s//\(^.\)/\1 /g results in
>
> F 783S
> Y 625D
> A 1705V
>
>
> now I want to give space before last character to get following:
>
> F 783 S
> Y 625 D
> A 1705 V
>
> I tried different ways and could not introduce space. I am
> successful in remove the last character. Could anyone help please.

You can do

:%s/.$/ &/

which will add a space before the last character. If there's
trailing whitespace, you may have to tweak it:

:%s/\S\s*$/ &/

In the future, you can do both in one pass by capturing the parts you
want and reassembling them:

:%s/\(.\)\(.*\)\(.\)/\1 \2 \3/

Hope this helps,

-tim




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