From: haozhun.jin@...
Date: 2015-03-20T19:27:17+00:00
Subject: [ruby-core:68581] [Ruby trunk - Bug #10990] [Open] bug in regex char class casefold for certain chars

Issue #10990 has been reported by Haozhun Jin.

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Bug #10990: bug in regex char class casefold for certain chars
https://bugs.ruby-lang.org/issues/10990

* Author: Haozhun Jin
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: 1.8.7p374, 1.9.3p194, 2.0.0p481
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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~~~
> "\u00c2" =~ /[\u0��0e0-\u00e5��]/i
=> nil
> "\u00c2" =~ /[\u0��0e2]/i
=> nil
> "\u00c2" =~ /\u00��e2/i
=> 0
~~~

The above is the result for 1.9.3p194.

* For 1.9.3p194, it is `nil, nil, 0`
* For 1.8.7p374, it is `0, 0, nil`
* For 2.0.0p481, it is `nil, 0, 0`



-- 
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