re = /,(?!\d+\))/m
str = 'Id uniqueidentifier null2,2version varchar(50) null,Modified datetime null,ModifiedBy uniqueidentifier null,Created datetime null,CreatedBy uniqueidentifier null,Folder_Id uniqueidentifier null,Currency_Id uniqueidentifier null,RefCurrency_Id uniqueidentifier null,ValidFrom datetime null,ValidTo datetime null,Rate decimal(28,18) null,'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html