{3}repeats the group contents below exactly 3 times:
Negated Character Class[^@]+ +matches at least one character outside the set below:
@the literal @ (6410 / 1008 / 4016)
@the literal @ (6410 / 1008 / 4016)
Negated Character Class[^,]+ +matches at least one character outside the set below:
,the literal , (4410 / 548 / 2C16)
\,the literal , (4410 / 548 / 2C16)