InfoPath Dev

I know that I can set substring in the rule and apply the rule in the InfoPath. But substring can only get the character out and not the whole word. Is it possible to substring the whole word instead of getting characters. For example, I have this string name input: "Represents text that should...

I need to write a new value to a SharePoint List and I am doing this via a repeating form. See this earlier post: http://www.infopathdev.com/forums/p/17838/62185.aspx#62185 The problem is the user will not type this information in to the repeating table, I need it to be copied to the repeating table...