title: Insert a character in string (indexof)
body: <p>what I want to do is insert a desired character like a "space" into a desired string like "123456789" at a specific point. Example: insert a space at the position 5 in the string 123456789 = 1234 56789. Here is my code:</p>
  
  <pre><code>    Dim str As String = sum2.Text '123456789
      Dim insStr As String = " " 'space
      Dim strRes As String = str.Insert(5, insStr) '5th position
  </code></pre>
  
  <p>the code looks fine and i dont get any errors when i use it or run it but it will not add the space at the 5th position so i need some help!</p>