In Part 1 of this series, I showed you an example of PowerShell's native validation capabilities. In that installment, I wrote a function that accepted a text string as input. The function then used ...

The bad news is that input validation is difficult. White listing, or identifying all possible strings accepted as input, is nearly impossible for all but the simplest of applications. Black listing, ...

Some of the most common questions I get are “What do you think of our messaging?” or “What do you think of our new website?” As you might imagine, most of the time what the person wants to hear is ...

Most web frameworks I've seen handle form validation using exceptions; if the form fields or the whole form don't meet the requirements, an exception is thrown and dealt with (redirect back to the ...

So I'm just starting to learn Java, I'm fumbling my way through my first program that isn't some version of Hello World. The program is actually working, there are a few other sections, but in this ...

If your automated script takes action based on a value, it's critical to make sure the value is correct. Good thing PowerShell has ways to validate the values that are passed to a function. In recent ...