Remove characters after specific character in string, then remove substring in C#?

To Remove characters after specific character in String, we use LastIndexOf() method and then use Substring() method which will split the string based on a delimiter.

Example

using System;

public class Program
{
	public static void Main()
	{  
		string input = "http://www.somesite.com/somepage.aspx?whatever";
		int index = input.LastIndexOf("/");
		if (index >= 0)
			input = input.Substring(0, index); // or index + 1 to keep slash
		Console.WriteLine(input);
	}
}

Output

http://www.somesite.com

Conclusion

In this page (written and validated by A. Gawali) you learned about Remove characters after specific character in string, then remove substring in C#? . What's Next? If you are interested in completing C# tutorial, we encourage you simply to start here: C# Tutorial.

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