title: Oracle SQL: Extracting text between two characters
body: <p>I have strings that look like</p>
  
  <pre><code>{ABCDE}{F1}
  {GHIJ}{K12}
  </code></pre>
  
  <p>I want to extract the text between the first curly brackets</p>
  
  <pre><code>ABCDE
  GHIJ
  </code></pre>
  
  <p>I tried searching online but a lot of answers seem to be using functions or PL-SQL. Can someone please help me with this?</p>