[DOC] Add reference from global variables to equivalent MatchData

c.f. #21040
Merged: https://github.com/ruby/ruby/pull/12587
2025-01-16 13:12:58 +09:00 · 2025-01-16 13:12:58 +09:00 · e65986c9bc · 2025-01-16 06:28:27 +00:00
commit e65986c9bc
parent 32cb4b204d
1 changed files with 3 additions and 0 deletions
--- a/doc/_regexp.rdoc
+++ b/doc/_regexp.rdoc
@ -127,6 +127,9 @@ The affected global variables are:
  Note that <tt>$0</tt> is quite different;
  it returns the name of the currently executing program.

+These variables, except for <tt>$~</tt>, are shorthands for methods of
+<tt>$~</tt>.  See MatchData@Global+variables+equivalence.
+
 Examples:

  # Matched string, but no matched groups.