Interesting. I wasn't aware of "0 but true" being special cased. But you did realize that strings matching /^0E\d+$/ have this property too right? 

D:\>perl -lwe "my @b=(0,1); for (qw(0E0 1E0)) { print; print qq(Bool:)
+,$b[!!$_]; print qq(0+:),0+$_; print $/; }"
0E0
Bool:1
0+:0


1E0
Bool:1
0+:1

[download]
---
$world=~s/war/peace/g

In reply to Re^2: True or False? A Quick Reference Guide by demerphq
in thread True or False? A Quick Reference Guide by bobf

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