commit https://github.com/vim/vim/commit/58de0e2dcc1f2d251b74892a06d71a14973f3187 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 14 15:13:46 2016 +0200 patch 7.4.1730 Problem: It is not easy to get a character out of a string. Solution: Add strgetchar() and strcharpart().

" A series of tests that can run in one Vim invocation.
" This makes testing go faster, since Vim doesn't need to restart.

" These tests use utf8 'encoding'.  Setting 'encoding' is in the individual
" files, so that they can be run by themselves.

source test_regexp_utf8.vim