See "How do comment @replies work?""How do comment @replies work?" and "@Peter works for Péter Török?""@Peter works for Péter Török?".
- Remove any spaces.
- Single quotes, dots, dashes and underscores should not be removed.Single quotes, dots, dashes and underscores should not be removed.
- Special characters are replaced with their simple equivalent.Special characters are replaced with their simple equivalent.
The rules for that were last documented in this answer from Jeff Atwoodthis answer from Jeff Atwood. For convenience the last posted remap code was: