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Re:Golang – encoding/csv: Reading is slow by dsymonds on Saturday September 03, 2016 @05:02PM (#12421183)
The standard regexp package, unlike PCRE, is actually a proper regular expression parser/matcher. Anything doing backtracking is at risk of exponential blowup and isn't safe.

https://swtch.com/~rsc/regexp/regexp1.html

Re:Golang – encoding/csv: Reading is slow by endymi0n on Saturday September 03, 2016 @05:29PM (#12421307)
which is exactly what I meant with less specialized but safe :)
Re:Golang – encoding/csv: Reading is slow by jonlawlor on Saturday September 03, 2016 @05:59PM (#12421426)
It is also often much faster than pcre.