Excluding embeded paranthesis (which the poster did not mentioned), tr%()%""% would solve the grouping problem for CSV.

--
perl -pew "s/\b;([mnst])/'$1/g"

In reply to Re: Re: Splitting a comma-delimited string where a substring could countain commas by belg4mit
in thread Splitting a comma-delimited string where a substring could contain commas by Eisbar

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