From: "nagachika (Tomoyuki Chikanaga)" <noreply@...>
Date: 2021-09-18T07:52:09+00:00
Subject: [ruby-core:105340] [Ruby master Bug#18160] IndexError raised from MatchData#{offset, begin, end} does not keep the encoding of the argument

Issue #18160 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 2.6: REQUIRED, 2.7: REQUIRED, 3.0: REQUIRED to 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONE

ruby_3_0 3e61556191ea7e6586ffb995f03e6d2631ec6fb0 merged revision(s) 99d8c4832a7133ca52578d015e3ddcfd94820f4a.

----------------------------------------
Bug #18160: IndexError raised from MatchData#{offset,begin,end} does not keep the encoding of the argument
https://bugs.ruby-lang.org/issues/18160#change-93754

* Author: nobu (Nobuyoshi Nakada)
* Status: Closed
* Priority: Normal
* Backport: 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONE
----------------------------------------
```ruby
m = /.*/.match("foo")
m.offset("\u{3042}") rescue p $!.message
#=> "undefined group name reference: \xE3\x81\x82"
```



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