Scrapping email content

Hello guys, i have a quick one: Im working on an app that reads email and converts it into a post on a forum, everything works fine except the threaded comments at the bottom. I would like to delete everything that is from a previous email (which usually begins with on this ate, so and so wrote : and then comments preceeded by >> Does anyone know a straightforward function to accomplish this? Regards, Collins -Nairobi KE. -- If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas. George Bernard Shaw