title: Firebird SQL test if string contains DATE in WHERE clause
body: <p>Is there any way to test if a string contains a DATE like 31.12.2018 ?</p>
  
  <p>Like</p>
  
  <pre><code>SELECT date_string FROM table where date_string LIKE '%.*.*%'
  </code></pre>
  
  <p>Or something like that?</p>