However, the ++'s operator's magic applies to strings that =~ m/^[a-zA-Z]*[0-9]*\z/. "a,b" doesn't match.

I suspect that in the third case perl is calling int($m), which returns 0, then applying the prefix increment operator.

Code tags added by GrandFather

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jpg

In reply to Re^2: Increment avoids warning unexpectedly by jpeg
in thread Increment avoids warning unexpectedly by jesuashok

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