title: VB.NET how can I check if String Contains alphabet characters and .?
body: <p>Using visual basic, I have a string. Want to check that the string contains a single, capital alphabetic character followed by a period.  Tried to use Contains as in the following:</p>
  
  <p>someString.Contains("[A-Z].")  but this didn't return me what I wanted.</p>
  
  <p>Also need to check for a single number followed by a period. </p>
  
  <p>How can I do this in Visual Basic </p>