[Open] Regexp#[] ignores after NUL byte in named capture index

Issue #9902 has been reported by Nobuyoshi N…


Bug #9902: Regexp#[] ignores after NUL byte in named capture index
https://bugs.ruby-lang.org/issues/9902

  • Author: Nobuyoshi N.
  • Status: Open
  • Priority: Normal
  • Assignee:
  • Category:
  • Target version:
  • ruby -v: r46343
  • Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

Regexp#[]に"\0"を含む文字列やシンボルを指定したとき、それ以降が無視されます。

$ ruby -w -e 'p(/(?<a>.*)/.match("foo")["a\0foo"])'
"foo"

$ ruby -w -e 'p Regexp.new("(?<foo\0bar>.*?)").match("xxx")["foo\0bar"]'
-e:1:in `[]': undefined group name reference: foo (IndexError)
  from -e:1:in `<main>'

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