Yes, this is a nit ...

Regular expressions, love them though I do, consist in a vast collection of nits IMHO.

I'm not sure that [these variables keep their value] is true. I remember a node that fairly recently talked about this, but I couldn't find it ... What I remember is that a failed match could in some circumstances modify $1.

Now that you mention it, I seem to remember something along those lines myself. Unfortunately, my Super Search-fu is no better than yours, and I could come up with no pertinent node. Have to keep searching, searching... (Maybe it had to do with the match portion of  s/// having the same effects on regex variables as  m// does?)

In reply to Re^4: Use of uninitialized value $1 by AnomalousMonk
in thread Use of uninitialized value $1 by Pazitiff

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