I also took the meat of this question to be about accepting user input, then throwing that into a regex - only to say, don't trust user input directly - as always. There's only one mention of taint in this whole thread, and I am replying to it. :-)

In reply to Re^3: Is it safe to use external strings for regexes? by perlfan
in thread Is it safe to use external strings for regexes? by stevieb

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