WebBut here is a quick extension method that does this. it defaults to using x as the masking Char but can be changed with an optional char. public static class Masking { public static string MaskAllButLast (this string input, int charsToDisplay, char maskingChar = 'x') { int charsToMask = input.Length - charsToDisplay; return charsToMask > 0 ... WebMar 11, 2015 · If you want to get the last written character, then subscribe TextBox to the KeyDown event: C#: textBox.KeyDown += textBox_KeyDown; XAML: Then: private void textBox_KeyDown (object sender, KeyEventArgs e) { /* e.Key contains the keyboard key associated with …
c# - Masking all characters of a string except for the last n ...
WebIn this tutorial, we are going to learn about how to get the last 4 characters of a strings in C#. Using the Substring () method To access the last 4 characters of a string we can use the Substring () method by passing the string.Length-4 as an argument to it. Here is an example, that gets the last four characters ople from the following string: WebMay 2, 2011 · You must first remove a part of the string and then create a new string. In fact, this is also means your original code is wrong, since str.Remove (str.Length -1, 1); doesn't change str at all, it returns a new string! This should do: str = str.Remove (str.Length -1, 1) + ","; Share. Improve this answer. Follow. macsteel channel sizes
How to get the last 4 characters of a string in C# Reactgo
WebAug 17, 2013 · Yes, you can reference characters of a string using the same syntax as C++, like this: string myString = "dummy"; char x = myString [3]; Note: x would be assigned m. You can also iterate using a for loop, like this: char y; for (int i = 0; i < myString.Length; i ++) { y = myString [i]; } WebIf you do : myString.Last().ToString() you will get the last char converted into a string again. It is perhaps very readable for some coders, others likes a more array index approach … WebSep 22, 2024 · A simple C# extension method which use Substring to get the last N characters in a string. In C#, Substring method is used to retrieve (as the name suggests) substring from a string. The same we can use … macsteel ecommerce login