Here a quick hitter for you - this little piece of code allows you to validate a credit card (in C#) before submitting for processing. This should work with Visa, Mastercard, Discover, and American Ex...
You may come across an instance in your C# and ASP.NET programming where you need to download an external webpage and parse the meta tags... specifically, the "Title," "Meta Description...
C# RSS FEED GENERATOR - This is a snippet of code that you can simply paste into your own code to generate a C# RSS
If you want to remove invalid chars "* . " / \ [ ] : ; | = ," from file name below is the code which can help you Sample code: using System; using System.IO; using System.Text.RegularEx...
In this blog I will show you how to swap two integer variables. I will be using Interlocked.Exchange to do the same: using System; using System.Threading; namespace SampleConsoleApplication { class Pr...
In this blog I will show how to replace single backslash with double backslash in a string with REGEX. Let's say we have a string "This is \ test \ string" and we want to replace single ...
In this blog I will show how to replace uppercase letter with "underscore and the letter "in a string with REGEX. Let's say we have a string "ThisIsTestString" and we want to r...
In this blog I will show how to validate a string to allow alphanumeric characters only in a string with REGEX. Below is the sample code to do the same: using System; using System.Text.RegularExpressi...
In this blog I will show how to remove all non numeric characters from a string with REGEX. Let's say we have a string "(912)-555-7777" and remove all non numeric characters so that the ...
In this blog I will show how to remove all non alpha numeric characters from a string with REGEX. Let's say we have a string "Hello!@#$123456789~~-_user456welcome" and remove all non alp...
In this blog I will show how to reverse all numbers in string with REGEX. Let's say we have a string "Hello 123456789 user 456 welcome." and we want to reverse it like "Hello 987654...
I encountered a piece of code where regex replacement was done in the following way: Regex.Replace(@"\d+", m => new string(m.Value.Reverse().ToArray())); It was giving the following e...
While using Directory.GetFiles I started getting the following excpetion Path too long error message when exceeding MAX_PATH Luckily I came across the following library: Delimon.Win32.I​O Library (V4....
While using the File.Move method to move a file from one location to other: File.Move(oldPath, newPath); I was getting the following exception: Access to the path is denied. Exception Details: System....
This is an off-topic post. I had to blog about it because Activision deserves to be slammed for not providing the pause option when playing "extinction" or "squad" offline.
Below is the code which can help you to copy all the folders and files of a directory to a backup folder inside it. Let's create a helper class to do the same: #region Using Directives using Syste...
I was working with a program noticed where I needed to use curly itself inside a string and string.format was not wroking with it. I was having the following sting: string myString = string.Format(&qu...
If you are using Windows Authentication and want to avoid the login prompt which comes when you try to access the application this blog will help you. The solution I am writing below is only for IE. I...
Lets say we have two classes Person1 and Person2. Below is the code for it: public class Person1 { public int ID { get; set; } public string Name { get; set; } public string FirstName { get; set; } pu...
While parsing one of my regex pattern based on input data I was getting the following error: RegEx: Quantifier {x,y} following nothing error I was having the following code: string pattern = string.Fo...
While working with transmitting files via server side was not working when filename was having space
In order to get mimetype/contenttype from file name/extension you need to make use of "System.Web.Mi
The reason of this issue is that on 64 bit process uses WOW64 folder. You need to write the code whi
I will show you how to get connecting string stored in registry. The code which I will show in this
Considering all subdirectories: string directoryPhysicalPath="xxxx"; string[] files = Directory.GetF