Linqpad Queries

HMACSHA1-Encode.linq

<Query Kind="Statements">
  <Reference>&lt;RuntimeDirectory&gt;\System.Security.dll</Reference>
  <Namespace>System.Security.Cryptography</Namespace>
</Query>

string unhashed = "password";

HMACSHA1 hash = new HMACSHA1();
hash.Key = Encoding.Unicode.GetBytes(unhashed);

string hashed = Convert.ToBase64String(hash.ComputeHash(Encoding.Unicode.GetBytes(unhashed)));

Console.WriteLine(hashed);

Regex.linq

<Query Kind="Statements" />

string regexExpression = @"^https?:\/\/(?:www\.|player\.)?vimeo.com\/(?:channels\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|album\/(\d+)\/video\/|video\/|)(\d+)(?:$|\/|\?)$";
string term = "https://vimeo.com/23966422";

Regex regex = new Regex(regexExpression);
Match match = regex.Match(term);
if(match.Success)
{
	Console.WriteLine("Match");
}
else
{
	Console.WriteLine("No match");
}