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http://bugs.exim.org/show_bug.cgi?id=1127 Summary: PCRE detects a false positive for infinite recursion Product: PCRE Version: 8.12 Platform: All OS/Version: All Status: NEW Severity: bug Priority: medium Component: Code AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] Here's a simple case to re-produce: PCRE version 8.12 2011-01-15 re> /(?(R)a+|(?R)b)/ Failed: recursive call could loop indefinitely at offset 13 There's no way this regular expression could loop indefinitely, since (?R) is part of the else section of a conditional that checks for recursion. -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
