title: Parse integer from string containing letters and spaces - C#
body: <p>What is the most efficient way to parse an integer out of a string that contains letters and spaces?</p>
  
  <p>Example:
  I am passed the following string: "RC 272".  I want to retrieve 272 from the string.</p>
  
  <p>I am using C# and .NET 2.0 framework.</p>