Aaron Wall at SEObook recently created a keyword list cleaner that can be used to help you format keyword data into a usable format.
About the tool: Some keyword sources provide data that is in a format that is hard to use. The goal of this tool is to make it easy to grab a list of keywords from just about any public source, clean it up, and sort it in order of which terms have the greatest potential value.
Read more about the Keyword list cleaner and number stripper.