| Subject: | wrong parsing character classes and crash |
| Date: | Sun, 19 Aug 2012 11:38:38 +0200 |
| To: | bug-Regexp-Debugger [...] rt.cpan.org |
| From: | Thomas Eckardt <Thomas.Eckardt [...] thockar.com> |
in every Perl build - so version independed - Regexp::Debugger causes the
regex engine to fail if escaped []
are followed by any character range in a character class
#!/usr/local/bin/perl
use strict;
'aa' =~ /[\[\]a-z]+/o;
exit;
perl -MRegexp::Debugger test_re.pl
failes with
Invalid [] range ")-(" in regex; marked by <-- HERE in
m/(?#R_d:0)(?>\A(?{Regexp::Debugger::_reset_debugger_state()})(?!
))|(?:(?{Regexp::Debugger::_report_event(0, 0, pos()); $^R
})(?=)(?:(?{Regexp::Debugger::_report_event(0, 1, pos()); $^R
})(?=)[\[\](?{Regexp::Debugger::_report_event(0, 2, pos()); $^R
})(?=)(?{Regexp::Debugger::_report_event(0, 3, pos());
$^R })(?=)a(?{Regexp::Debugger::_report_event(0, 4, pos()); $^R })(?=)-(
<-- HERE ?{Regexp::Debugger::_report_event(0, 6
, pos()); $^R })(?=)z(?{Regexp: at test_re.pl line 4.
Thomas Eckardt
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