title: How to check String Contains Alphabets or Digits-Regular Expression c#
body: <p>How to check Whether string contains Alphabets or Digits using Regular Expression.
  In a single regular expression How can i achieve this in c#.Currently i am finding alphabets like this </p>
  
  <pre><code> Regex.Matches(folderPath, @"[a-zA-Z]").Count
  </code></pre>