Which custom formatting syntax would output a value of $"-8\mathrm{.}79"$ as $""$

$0\mathrm{.}0x$

$(0\mathrm{.}0x)$

$(0\mathrm{.}0x)$;$0\mathrm{.}0x$

$0\mathrm{.}0x$;$(0\mathrm{.}0x)$