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Postings from October 2016
On 2016-10月-23 日 21:44:35, manabe.hiroshi@gmail.com wrote:
> On 2016-10月-23 日 21:23:20, manabe.hiroshi@gmail.com wrote:
> > You can reproduc the bug with the following procedure:
> > 1. perl -CO -e 'print "a\x{e4}";' > foo.txt # aä
> > 2. perl -CI -e 'open IN, "<", "foo.txt"; $_ = <IN>; print
> > m{^a|a\x{e4}$} . "matched\n" : "not matched\n";
> > Output: not matched
> >
> > This happenes only when the string is read from a file handle and the
> > second character is in the range of \x{80}-\x{ff}.
> > Curiously enough, the match succeeds if the regexp is m{^a|a[\x{e3}-
> > \x{e4}]$} or m{^a|a[\x{e4}-\x{e5}]$}, but not if it is m{^a|a[\x{e4}-
> > \x{e4}]$}.
>
> Sorry, the bug only reproduces itself when there is a set of
> parenthes, i.e. m{^(a|a\x{e4})$} etc.
Sorry again, the correct unicode option for the step 2 was -Ci.
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