Hi,
while writing the test for checking the URLs I stumbled on this
difference between submatch(1) and \1:
#v+
let a = ' https://www.vim.org '
let g:pat = '.\{-}\(http[^ ]*\).\{-}$'
echo substitute(a, g:pat, submatch(1), '')
echo substitute(a, g:pat, '\1', '')
#v-
If you execute this piece of script, the first map() returns an empty
list, while the second map() returns the URL stripped by whitespace
(which would be my expected behaviour for both map() calls).
Is this expected?
Christian
--
Es heißt abergläubisch sein, wenn man seine Hoffnung auf die
Formalitäten setzt; aber es heißt hochmütig sein, wenn man sich ihnen
nicht unterwerfen will.
-- Blaise Pascal (Pensées)
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