Log exception to file in c# .net core application explained

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In production environment when any bug gets reported at that time as developer wants to get the exception details of bug to resolve the issue on high priority.
In some case there might be situation where exception is not logged in table but developer wants to check the bug immediately. for that purpose we need to write the
exception details including stack trace of bug in file. To implement this easily i am going to demonstrate the implementation of custom logging in file as below.

First we need to construct the exception and logger method in custom logger class as shown below.


public class CustomLogger { public static List<string> ConstructExceptionDetails(Exception ex,string FunctionName) { return new List<string>() { $"{DateTime.Now} - {FunctionName}", $"Exception: {ex.Message}", $"StackTrace: {ex.StackTrace}", $"InnerException: {ex.InnerException?.…
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Regular expression for validating URL in Javascript

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I was looking for a decent regular expression to validate URLs that were entered as user input with.
After lots of searching on google i got the perfect solution which satisfy my requirement of my current assignment
Following is the regular expression for validating URL (Valid URL Regular Expression) a have used which worked perfectly.

^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$

Following is the pattern results for the same
  • https://www.test.com   -Passed
  • http://www.test.com   -Passed
  • www.test.com   -Passed
  • test.com   -Passed
  • http://blog.test.com   -Passed
  • http://www.test.com/product   -Passed
  • http://www.test.com/products?id=1&page=2   -Passed
  • http://www.test.com#up   -Passed
  • http://255.255.255.255   -Passed
  • 255.255.255.255   -Passed
  • http://invalid.com/perl.cgi?key= | http://web-site.com/cgi-bin/perl.cgi?key1=value1&key2   -Failed
  • http://www.site.com:8008   -Passed

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