* string.c (rb_str_subpat): accept capture name.

  (rb_str_aref): follow above change.
  (rb_str_aref_m): pass the 2nd argument to rb_str_subpat.
  (rb_str_subpat_set): accept capture name.
  (rb_str_aset): follow above change.
  (rb_str_partition): ditto.
  (rb_str_aset_m): pass the 2nd argument to rb_str_subpat_set.

* include/ruby/intern.h (rb_reg_backref_number): declared.

* re.c (rb_reg_backref_number): defined.

  [ruby-core:21057]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index d6441c9573..8b7b6c053e 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -104,6 +104,12 @@ class TestRegexp < Test::Unit::TestCase
     assert_equal({}, /(.)(.)/.named_captures)
 
     assert_equal("a[b]c", "abc".sub(/(?<x>[bc])/, "[\\k<x>]"))
+
+    assert_equal("o", "foo"[/(?<bar>o)/, "bar"])
+
+    s = "foo"
+    s[/(?<bar>o)/, "bar"] = "baz"
+    assert_equal("fbazo", s)
   end
 
   def test_assign_named_capture