This is a .NET regular expressions testing site I recently launched. It lets you test matches, replacements, and splits, all with various options and informative results output. I hope some of you find it useful and I gladly welcome your feedback.

Jason Fielder has really put the meat and potatoes in with this one. I don't think anything is left out honestly. Oh and the backstage pass to his daily alerts is crazy stuff. You have to get this if you're anything serious about changing your life around in the forex trading market. I'd love to cha...

Let’s say you have a string and want to match individual groups of characters against that string. How would you do that? That’s the question I asked myself. The following code is the outcome of some research on how to get this done. It shows you how to capture/match and name groups of characters u...

For example, to count all occurences of UpperCase chars, digits and 2 special symbols in a string

Remove all special characters from a string, allowing only alphanumeric and chars: ‘.’ and ‘-’

Check if time is in 24h format hh:mm For example these values are valid: 01:00 (leading zero is mandatory), 05:01, 13:00, 23:59. For example these values are not valid: 24:00, 1:30, 05:60, 12|34 etc.

An introduction to the start of a client-side wiki-parsing engine that uses regular expressiosn.

Regular Expression for alphanumeric password

Programming communities and corporate culture naturally encourages the development of peculiar nomenclatures and in-the-know jargon. As a demonstration, here's several expressions and terms used only — or primarily — by people who work at Microsoft... and not used, really, by any...

Our unique Football gifts product is the ideal gift for any Fan. This gift can be purchased as a coach gift, player gift, team gift or grandparent gift.

Handy Regular Expression Zip/Postal code validation for US and Canada in the same expression for common form validation.

Confirms that the entry matches a pattern defined by a regular expression

Here are some snippets you might find useful for pretty-printing exception stack traces (using the trace string rather than the StackTrace class). First, a regular expression to extract namespace, method name, argument and source details from a stack trace string...

A “long time ago”, more precisely 3 years ago, I was studying Automata and Formal Languages which was a Computer Engineering discipline. At that time I was amazed by the new things I was learning such as NFAs, DFAs, FSMs and Regular Expressions. For the sake of my development I started searching for...