jabber timesheets...

Bill Lovett, Programmer: Jabber Timesheets: Some Progress
interesting

So far the bot can return the current list of clients, add new clients, and return a list of projects associated with a particular client. It's also relatively smart about extracting dates and times from timesheet entries. If you messaged the bot and said, "Yesterday at 2:30 I recovered from my lunchtime food coma" it would extract the date and time correctly. All courtesy of regular expressions.