Refactoring is an integral part of continually improving your code while it moves forward through time. Without refactoring you accrue technical debt, forget what portions of code do and create code that is resistant to any form of testing. It is an easy concept to get started with and opens the door to much better practices such as unit testing, shared code ownership and more reliable, bug-free code in general.

RegExr 0.3b, an intuitive tool for learning, writing, and testing Regular Expressions. Key features include:
* real time results: shows results as you type
* code hinting: roll over your expression to see info on specific elements
* detailed results: roll over a match to see details & view group info below
* built in regex guide: double click entries to insert them into your expression
* online & desktop: regexr.com or download the desktop version for Mac, Windows, or Linux
* save your expressions: My Saved expressions are saved locally

Regular expressions, sometimes referred to as regex, grep, or pattern matching, can be a very powerful tool and a tremendous time-saver with a broad range of application. As an extended form of find-and-replace, you can use a regular expression to do things such as perform client-side validation of email addresses and phone numbers, search multiple documents for strings and patterns you wish to change or remove, or extract a list of links from source code. Regex is supported by most languages and tools, but because there can be varying implementations, this article will cover basic principles that are commonly used.

It's not an easy job to parse HTML tags of the whole page using regular expressions. But if you are dealing with a part of HTML tags and handle it as a string, the following regular expressions may be of your help. + Quick syntax reference

Performante C# Case Insenstive String.Replace() functie

Guidance on how you can dynamically "re-write" URLs and/or have the ability to publish cleaner URL end-points within ASP.NET web applications. This blog post summarizes a few approaches you can take to cleanly map or rewrite URLs with ASP.NET, and have the option to structure the URLs of your application however you want.

Hosting Windows Communication Foundation (WCF) services side-by-side with ASP.NET and hosting them in ASP.NET compatibility mode.