Em dash is — I believe — the correct one for interjections / parentheses replacement. On mobile it's easily accessible, on my desktop I get it with Alt + - but I had to set it up myself.

[–] Knock_Knock_Lemmy_In@lemmy.world 1 points 5 days ago (1 children)

I can only find - on my phone keyboard

[–] dev_null@lemmy.ml 3 points 5 days ago (1 children)

I get it when I long press -

[–] Knock_Knock_Lemmy_In@lemmy.world 3 points 5 days ago (1 children)

–—

Ah yes. Thanks.

[–] Opisek@lemmy.world 4 points 5 days ago

No, that is morse code, try again.