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I need to validate a certain property to one of my classes. When I set the property, the class should validate the input and if incorrect, set the object to an invalid state.
Question : The property value must be in a certain mask/format eg. &&&&-&&&&-&&&&. I cannot use regular expressions. Is it possible to validate text against a mask value?
Regular expressions are often over-used, but this is a pretty good example of when a regex is ideal… so: why can’t you use them here?