How to define a custom mask for input fields?

for example, I want enforce user to input a company tax code composed by
company/branch-digit check in that way: 123456/0001-23

Also one may need to limit integer and decimal part from a float to say one.four
1.1234

This feature will be added in the next release. For now, you can customize the following solution:

http://webix.com/snippet/b744ff65