Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Developers frequently need to process ...

We've got a messaging sub-system that's part of our C#/ASP.NET web app. One of the requirements for this system is that it shouldn't allow users to send phone numbers through the system.<BR><BR>Before ...

Even though it has somewhat of a checkered reputation, being able to wield it will save you a ton of time. There's a saying that I've heard numerous times about regular expressions (regex). It goes ...