Regexp#[] doesn't consider capture name encoding

Ruby Development
1

Issue #9903 has been updated by Tomoyuki C…

Backport changed from 2.0.0: REQUIRED, 2.1: REQUIRED to 2.0.0: REQUIRED,
2.1: DONE

Backported into ruby_2_1 branch at r47052.

Bug #9903: Regexp#[] doesn’t consider capture name encoding

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

Regexp#[]が引数の文字列やシンボルを考慮していません。

key = "\xb1\xb2".force_encoding(Encoding::EUC_JP)
m = /(?<#{key}>.*)/.match("xxx")
p m[key.dup.force_encoding(Encoding::Shift_JIS)]
# => "xxx"