Matches Windows & POSIX absolute and relative paths, Windows UNC paths, URIs, and optionally image titles or classes:
\[my label 1\]: /foo/bar.jpg "My title, optional" {.class}
\[my label 2\]: ~/foo/bar.png "My title, optional"
\[my label 3\]: /foo/bar.jpg 'My title, optional'
\[my label 4\]: ~/foo/bar.png "My title, optional"
\[my label 5]: https://fsf.org (The free software foundation)
\[my label 6]: C:\path\to\image.jpg "image title"
\[my label 7]: ..\path\to\image.png "image title" {.class}
\[my label 8]: \\unc.server.tld.country\path\to\file.ext "image title" {.class}
Will not match references :