Vimwiki also allows you to list all the tags together, with a single : separating multiple tags, such as in:
To accomplish this replacement, you can use a :s command that will replace a sequence of whitespace with a single :, and additionally match the beginning and end of the line to insert an extra : on each end.
You can ...
While on the line in question:
\w\+ will match 1 or more word characters ([0-9A-Za-z_]).
& has a special meaning in a replacement, depending on the value of 'magic' (default: on). It is replaced with the
the g flag will perform this substitution for every occurrence on
the line, not just the first.