How to replace U+00A0 NBSP by regular space in a directory of Markdown files

If you have a directory with Markdown files that contain non-breaking spaces (U+00A0, NBSP) and you want to replace them with regular spaces (U+0020), you can use the following command in a Unix-like terminal:

This assumes your files are UTF-8 encoded!. I recommend to manage your Markdown files using Git so you can easily revert the changes if something goes wrong.

find . -type f -name "*.md" -exec sed -i 's/\xc2\xa0/ /g' {} +