When one double clicks words in macOS usually the entire word is selected. For example, double clicking the phrase “this_is_a_word” will select the entire phrase as a singular word, but when you double click a section of the phrase “this-is-not-a-word” then only the actual words in this phrase between dashes will be selected.
Where can one find a list of all characters that are considered “word boundaries” in macOS that are used to define this behavior for selection?
It appears that there are many non-standard characters besides normal characters that might be considered word boundaries that are not, seemingly, fully documented…
So far I have come up with the following Unicode characters that all act as “word boundary” characters: