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

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?.…

Email validation using regular expression in jQuery

To validate user input for email-id it's very easy using regular expressions. Using regular expressions you do not need to write lengthy logical code in jQuery. Following are the steps to do the same.

  • Pass a string to RegExp or create a regex using the //syntax
  • Call regex.test(string)
So code would be...
jQuery(function () {
    $(".mail").keyup(function () {
        var VAL = this.value;

        var email = new RegExp('^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$');

        if (email.test(VAL)) {
            alert('Great, you entered an valid E-Mail-address');
        }
    });
});

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