vim short for search replace with space in between -

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what vim short case?

a bcd_x 1.pdf bcd_x 2.pdf

desired output:

a bcd_x 1.pdf:::a bcd_x 2.pdf

you mean this?

:s/\s\(a\s\)/:::\1

or how this?

:s/\sa\@=/:::

of course, regexp search-and-replace depends on particulars of data. of haven't given work with.


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