Enno

This is not specific to vim-grepper. Vim's `grep` with `&grepprg` set just as `grepper.tool.grepprg` also shows no results for search terms surrounded by single quotes.

Yes, single quoting on Windows gives results that have little to do with what you expect on Unix

One could think about using very magic for the Vim search expression to economize much of this (un)escaping.

Anything left to be done? This is useful, for example, if one searched with vim-grepper for lines that match a regular expression containing `\b` and then wants to jump to...

Good evening @mhinz, @jez or @ddeville, would one of you mind taking a look at this PR that should ease searching for the grepped string in the obtained quickfix list?...

I reproduced it with `vim -i NONE -u ~/.vim/viminrc /tmp/test.eml` and `~/.viminrc` reading ```vim set nocompatible language messages en_US " To avoid scrambled non english letters. " Load plugin let...

This issue could perhaps be related to `,` acting as a decimal separator by the Italian language locale.

Thanks for the pointer. Indeed the issue disappears once `LC_NUMERIC=C` (instead of `it_IT.UTF-8`) set.

The issue is there as long as there are digits separated by`.` or `,` in the text.

That is, `test.eml` could read ``` > 1,1 ``` to reproduce the error with `LC_NUMERIC=it_IT.UTF-8`.