Style/RedundantRegexpArgument uses double quotes

[akimd]

That cops performs the conversion to string, but uses double quotes when single quotes would suffice, so it fires Style/StringLiterals.

         res <<
           if s.scan(/\\u(\h{4})/)
             "\\u{#{s.captures.first}}"
-          elsif s.scan(/\\#/)
+          elsif s.scan("\\#")
             # Unescape '#', which inspect escaped.
             '#'
           elsif s.scan(/\\./)
             s.matched
-          elsif s.scan(/\$/)
+          elsif s.scan("$")
             # Escape interpolation of variables.
             '\\$'
           else

---

Expected behavior

Use single quotes by default, or whatever Style/StringLiterals was configured for.

Actual behavior

See above the result of bundle exec rubocop -x --only Style/RedundantRegexpArgument.

Steps to reproduce the problem

See above.

RuboCop version

$ bundle exec rubocop -V
1.65.1 (using Parser 3.3.4.2, rubocop-ast 1.32.0, running on ruby 3.3.4) [arm64-darwin23]

[akimd]

Man, you are fast...