True or False. The regular expression

$([$a$-$fA$-$F$0-9]\{2\}$:$)\{6\}$

will match a MAC address that uses the colon character $$:$$ as a delimiter. That is$,$ it will match anything

of the form nn:nn:nn:nn:nn:nn where nn is any $2$ digit hexadecimal number between $00$ and FF$.$

a$.$ True

b$.$ False