Thought it is worth mentioning that SAS's Dataflux product contains functionality for cleaning email addresses along with cleaning all sorts of other data besides. This interesting paper explains more:   http://support.sas.com/resources/papers/proceedings15/SAS1852-2015.pdf ... View more

@tessa_h, I think that @PoulRavn is talking about the layout in the view data window, not the variable lengths and formats on the data set. And, unfortunately I haven't seen such a feature yet. One would wish for something similar to the old good wsave in DMS SAS... ... View more