C# Extension Method: String - ContainsAll

CSharp · Console

/Program.cs

// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002050/string-containsall

// @nuget: Z.ExtensionMethods

using System;

public class Program
{
	public static void Main()
	{
		string text =
        @"<!DOCTYPE html>
<html>
<body>
	<h1>This is <b>bold</b> heading</h1>
	<p>This is <u>underlined</u> paragraph</p>
	<h2>This is <i>italic</i> heading</h2>
</body>
</html> ";
		
		string [] values = {"<html>", "<body>", "<h1>"};

        // C# Extension Method: String - ContainsAll
        if(text.ContainsAll(values))
		{
			Console.WriteLine("String found.");
		}
	}
}