From: Vellingiri Arul Date: 2007-09-19T18:51:11+09:00 Subject: Read and workout the program after you have to post. Dear Friends, 1) Given a string containing an Excel-like range specifier like this: "C5:E8", generate an array of all the cells in the array. In this case, the output should be something like this.... ["C5", "C6", "C7", "C8", "D5", "D6", "D7", "D8", "E5", "E6", "E7", "E8"] How could I do this program.I don't know how can I changing the format. Please Anyone tell this answer fo this questions. With Deep Regards, S.Vellingiri -- Posted via http://www.ruby-forum.com/.