Sounds like an XY Problem to me. Why are you searching for the third occurrence of a comma in a string? Do you want to get at the fourth field in a comma-separated string? If so, use split().
Jeff japhy Pinyan,
P.L., P.M., P.O.D, X.S.:
Perl,
regex,
and perlhacker How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart
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