I started a comment about DCGs also before seeing rscho's and mncharity's comments above which covered it. If you're going to do any parsing, I don't think ther

I started a comment about DCGs also before seeing rscho's and mncharity's comments above which covered it. If you're going to do any parsing, I don't think there's any better tool than DCGs. It blows my mind that everyone is still trying to kludge their way around regexes instead, when there is such a better tool around. Your mud language is probably a "Controlled Natural Language", btw: https://en.wikipedia.org/wiki/Controlled_natural_language https://en.wikipedia.org/wiki/Controlled_natural_language Game languages often are.