title: Split a string in between two characters in C#
body: <p>I have a string of type <strong>"24;#usernamehere,#AWRFR\user,#,#,#usernamehere"</strong> </p>
  
  <p>I want to split this string on the first appearance on <strong><code>#</code></strong> and  <strong><code>,</code></strong> i.e i want a string to be fetched which is inbetween these two characters.</p>
  
  <p>So for the above string i want the OUTPUT as:</p>
  
  <p><strong><code>usernamehere</code></strong></p>
  
  <p>How can i split a string in between two characters using <code>Regex</code> function?</p>