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Samual Sam has Published 2310 Articles

Samual Sam
2K+ Views
To validate, you need to check for the protocols.http httpsWith that, you need to check for .com, .in, .org, etc.For this, use the following regular expression −(http|http(s)?://)?([\w-]+\.)+[\w-]+[.com|.in|.org]+(\[\?%&=]*)?The following is the code −Example Live Demousing System; using System.Text.RegularExpressions; namespace RegExApplication { class Program { private static void showMatch(string ... Read More

Samual Sam
327 Views
Set the string.StringBuilder str = new StringBuilder("Tom Hanks");Now, use the replace() method to replace whitespace with String. Empty. This will eventually remove the whitespace.str.Replace(" ", String.Empty);Let us see the complete code −Example Live Demousing System; using System.Text; class Demo { static void Main() { StringBuilder str = ... Read More

Samual Sam
231 Views
With C#, you can manipulate decimals with operators such as _+, - *, etc.Let us see how to subtract decimal values.Firstly, set two decimal values −decimal d1 = 9.5M; decimal d2 = 4.2M;Now to subtract the two values −d1 = d1 - d2;The following is the code −Example Live Demousing System; ... Read More

Samual Sam
347 Views
Set a character with WhiteSpace −char c = ' ';To check if a character is a whitespace character, use the char.IsWhiteSpace method −if (char.IsWhiteSpace(c)) {}Let us see the complete code −Example Live Demousing System; class Demo { static void Main() { char c = ' '; ... Read More

Samual Sam
178 Views
The SequenceEqual method is used to test collections for equality.Set sequences −string[] arr1 = { "This", "is", "it" }; string[] arr2 = { "My", "work", "report" }; string[] arr3 = { "This", "is", "it" };Now, use the SequenceEquals methods to check whether sequences are same or not −arr1.SequenceEqual(arr2);The following is ... Read More

Samual Sam
162 Views
To convert a string to a bool, use the Bool.parse method in C# −Firstly, set a string −string str = "true";Now, convert it to bool −bool.Parse(str);Here is the complete code −Example Live Demousing System; using System.Linq; class Demo { static void Main() { string str = "true"; ... Read More

Samual Sam
4K+ Views
Use the Truncate method in C# to remove all the number after decimal places.Let’s say the following is our number −9.15MTo remove the numbers after decimal places, use Truncate() −decimal.Truncate(9.15M)Let us see the complete code −Example Live Demousing System; using System.Linq; class Demo { static void Main() { ... Read More

Samual Sam
786 Views
To get the last access time of a file in C#, use the LastAccessTime() method.For this, use the FileInfo as well as DateTime classes.Create an object of each −FileInfo file = new FileInfo("new.txt"); DateTime dt = file.CreationTime; dt = file.LastAccessTime;Let us see the complete code −Example Live Demousing System.IO; using System; ... Read More

Samual Sam
154 Views
Set lowercase suffixes for literals such as u, l, ul, f, etc.// l for long long a = 29876l;It can be used on literal numbers as well. It tells the compiler that the literal is of a specific type.The following is an example −Example Live Demousing System.IO; using System; public class ... Read More