title: Extract all values from a range using regexp in oracle
body: <p>Example:</p>
  
  <pre><code>'R1-R5,C1-C2,W11-W14'
  </code></pre>
  
  <p>will become:</p>
  
  <pre><code>'R1,R2,R3,R4,R5,C1,C2,W11,W12,W13,W14'
  </code></pre>