Fix regexp string in Ruby 3.2.0 news by JunichiIto · Pull Request #2929 · ruby/www.ruby-lang.org

Replace double quote to single quote to fix regexp pattern ("\1" and '\1' are different): Regexp.new("^a*b?a*()\1$") #=> /^a*b?a*()\x01$/ Regexp.new('^a*b?a*()\1$') #=> /^a*b?a*()\1$/