Re: Why matchstr returns also text matched by zero-width pattern?

Am 16.09.2012 10:02, schrieb Martin Jiricka:> Dear Vim users,
> I do not understand why output of this command:
> :echo matchstr('123abc','\v(123)\@=abc')
> is `123abc`. I'm using zero-width pattern, so I would like to get just
> `abc`. What am i doing wrong?

Your (very magic) zero-width item should be `@<=', not `\@=':
:echo matchstr('123abc','\v(123)@<=abc')
abc

:h \@<=

`\v\@=' is the same as `@\=' (match `@' zero or one times):
:echo matchstr('123@abc','\v(123)\@=abc')
123@abc

Match a literal `@=':
:echo matchstr('123@=abc', '\v(123)\@\=abc')
123@=abc

--
Andy

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