title: Split a type string NUMBER to list of chars
body: <p>I have a column which has alphanumeric strings like <code>123x758v961j</code>.</p>
  
  <p>I need to split this alphanumeric number to chars an have blank space between values.</p>
  
  <p>Example: <code>123x758v961j</code> =====> <code>1 2 3 x 7 5 8 v 9 6 1 j</code></p>
  
  <p>I need a function which returns this solution.</p>