pcsv provides parser of csv based on rfc4180 http://www.rfc-editor.org/rfc/rfc4180.txt

Put this file into load-path'ed directory, and byte compile it if desired. And put the following expression into your ~/.emacs.

(require 'pcsv)

Use pcsv-parse-buffer, pcsv-parse-file, pcsv-parse-region functions to parse csv.

To handle huge csv file, use the lazy parser pcsv-file-parser.

To handle csv buffer like cursor, use the pcsv-parser.