Input Mask Optional Separators?

[neo651]

I'm creating a form for a table of license keys and I want to use an input mask to add hyphens to make the keys easier to read, but the license keys are all different lengths. I'm wondering if there's a way to tell access that once there are no more characters to stop displaying the separators. Otherwise I end up with either a mess of unseparated characters at the end or a series of superfluous hyphens (except for when the license key happens to be the correct length for whatever input mask I designed).

[June7]

I doubt it. The very nature of input mask demands consistency of structure. I expect you will just have to require users to type hyphens and not use input mask.