remove whitespace from string c# code example

Example 1: c# remove spaces from string

string str = "This is a test";
str = str.Replace(" ", String.Empty);
// Output: Thisisatest

Example 2: remove all text after string c#

string input = "text?here";
int index = input.LastIndexOf("?"); // Character to remove "?"
if (index > 0)
    input = input.Substring(0, index); // This will remove all text after character ?

Example 3: remove whitespace between string c#

string str = "C Sharp";
str = Regex.Replace(str, @"\s", "");

Example 4: c# remove spaces from string

using System;
using System.Text.RegularExpressions;

public class Program
{
	public static void Main()
	{
		string yourString = "The value is: 99 086.78";
		string newString = "";	// MUST set the Regex result to a variable for it to take effect
		newString = Regex.Replace(yourString, @"\s+", ""); //Replaces all(+) space characters (\s) with empty("")
		Console.WriteLine(newString);
		// Output: Thevalueis:99086.78
	}
}

Example 5: how to remove white spaces from string in c#

using System.Linq;

// ...

string example = "   Hi there!    ";
string trimmed = String.Concat(example.Where(c => !Char.IsWhiteSpace(c)));
// Result: "Hithere!"

Example 6: how to remove all whitespace from a string in c#

using System.Linq;

  ... 

  string source = "abc    \t def\r\n789";
  string result = string.Concat(source.Where(c => !char.IsWhiteSpace(c)));

  Console.WriteLine(result);