// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002098/string-removenumber
// @nuget: Z.ExtensionMethods
using System;
using System.IO;
public class Program
{
public static void Main()
string input = "Entity Framework 6";
//C# Extension Method: String - RemoveNumber
string output = input.RemoveNumber();
System.Console.WriteLine(output);
}