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Bug #10990

closed

bug in regex char class casefold for certain chars

Added by gene91 (Haozhun Jin) over 10 years ago. Updated over 10 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
1.8.7p374, 1.9.3p194, 2.0.0p481
Backport:
2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
[ruby-core:<unknown>]

Description

> "\u00c2" =~ /[\u0­0e0-\u00e5­]/i
=> nil
> "\u00c2" =~ /[\u0­0e2]/i
=> nil
> "\u00c2" =~ /\u00­e2/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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