title: PowerShell extract characters from string
body: <p>I have a list of user names in a .csv file. Looks like this</p>
  
  <pre><code>PC,User
  comp-1,john.doe
  PC-2,steven.smith
  MAC-1,betty.crocker
  </code></pre>
  
  <p>and I would like to extract the first letter of the first and last name to put into another variable. Not sure how to accomplish this. Here is my code that will get me the first letter. </p>
  
  <pre><code> $PepCSV = import-csv C:\pep.csv 
   foreach($X in $PepCSV)
     {
     $UserName = $X.User
     $UserInt = $UserName.Substring(0,1)
     Write-Output "UserName = $UserName `n UserInt = $UserInt"
     } 
  </code></pre>
  
  <p>The output is this</p>
  
  <pre><code>UserName = john.doe 
   UserInt = j
  UserName = steven.smith 
   UserInt = s
  UserName = betty.crocker 
   UserInt = b
  </code></pre>
  
  <p>How can I get the second letter for UserInt? </p>