Regex find instance of dash, but not dash

Question

I am sooo close. I am trying code a regex expression for Notepad++ to replace a dash with a space, ignoring dashes already with a pre/post space. I realize I could

Answer 1

To ignore dashes already with a pre/post space you could use positive lookarounds to assert that what is on the left and on the right are a non whitespace character \S

In the replacement use a space.

(?<=\S)-(?=\S)

Regex demo