is fine as long as the character you're splitting on does not occur in your various fields.
If it can, which then means there then has to be a scheme for quoting such fields or escaping such characters, then we're pretty much beyond what split can do and at the point where you need to be building the Regular Expression From Hell — which can be plenty fast if you do it right, but you have to do it right — or using Text::CSV or somesuch.
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