Bug #20615: [Regexp] Incorrect match result for Regexp including unicode property

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]
• Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN

[taichi730 (Taichi Ishitani)]

A regex pattern including an unicode property is not matched correctly.

/\A *\z/.match?('') # => true
/\Ap{White_Space}*\z/.match?('') # => false

I think both of these patterns should be matched but the later pattern including an unicode property is not.

[taichi730 (Taichi Ishitani)]

• Subject changed from [Regexp] Different match result between using a character class and an unicode property to [Regexp] Incorrect match result for Regexp including unicode property
• ruby -v set to 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]

[taichi730 (Taichi Ishitani)]

• Description updated (diff)

[taichi730 (Taichi Ishitani)]

This regexp pattern is invalid.
Sorry for my mistake.

[jeremyevans0 (Jeremy Evans)]

• Status changed from Open to Closed