Den fre 30 apr. 2021 07:56Tony Mechelynck <antoine.mechely...@gmail.com>
skrev:

> On Fri, Apr 30, 2021 at 5:10 AM Yegappan Lakshmanan <yegapp...@gmail.com>
> wrote:
> >
> > Hi Tony,
> >
> > On Thu, Apr 29, 2021 at 3:07 AM Tony Mechelynck
> > <antoine.mechely...@gmail.com> wrote:
> > >
> > > The help for :vimgrep (in quickfix.txt with "Last change: 2021 Feb
> > > 05", maybe that date is in error) now mentions an [f] flag without
> > > saying what it does. One recent vim_dev thread makes me think that
> > > with the 'f' flag "fuzzy matching" is used. So I used :helpgrep
> > > \<fuzzy\> and found several mentions of fuzzy matching, but AFAICT
> > > they all assume that the reader knows what fuzzy matching is. Nowhere
> > > did I see the expression defined. So what is fuzzy matching?
> > >
> >
> > We should add a description for "fuzzy matching" to the Vim help.
> > I will send out a PR.
> >
> > Fuzzy matching refers to matching strings using non-exact matches.
> > For example, when you search for the 'get pat' string using fuzzy
> > matching, it will match the strings 'GetPattern', 'PatternGet',
> > 'getPattern', 'patGetter', 'getSomePattern', 'MatchpatternGet' etc.
> >
> > :echo matchfuzzy(['GetPattern', 'PatternGet', 'getPattern',
> > 'patGetter', 'getSomePattern', 'MatchpatternGet'], 'get pat')
> > ['patGetter', 'GetPattern', 'PatternGet', 'getPattern',
> > 'getSomePattern', 'MatchpatternGet']
> >
> > Fuzzy matching will match a string, if all the characters in the search
> > string are present in the string in the same order. Case is ignored
> during
> > the search. Other characters can be present between two characters
> > in the search string. If the search string has multiple words, then each
> word
> > is matched separately. So the words in the search string can be present
> in
> > any order in a string.
> >
> > Fuzzy matching assigns a score for each match based on some criteria.
> > The match with the highest score is returned first.
> >
> > Regards,
> > Yegappan
>
> Ah I see. So IIUC Vim's fuzzy matching will match (caselessly) if
> there is an extra letter but not if there is a missing letter, and it
> won't match swapped letters: if the search string is 'word', then Vim
> will find 'WoRd' or 'worrd' but not 'wrd' or 'wrod'. Thanks for
> explaining.
>


IOW fuzzy 'word' is equivalent to regex 'w.*o.*r.*d.*' or '.*w.*o.*r.*d.*'?

/bpj



> Best regards,
> Tony.
>
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