Several countries have been providing regular financial support to the Palestinian Authority and charities in the West Bank and Gaza. Some of these countries include:
1. United States
2. European Union member states (such as Germany, France, and the United Kingdom)
3. Arab countries (such as Saudi Arabia, Qatar, and the United Arab Emirates)
Please note that the list may not be exhaustive, as there could be other countries providing financial assistance as well. Additionally, the level and consistency of support from each country may vary over time.