title: SQL regular expression to check if a string contains a certain substring
body: <p>I am using SQL and need to check if a string contains a certain substring using regular expressions. Lower and upper case letters and space are allowed. </p>
  
  <p>Currently, I have 
      Where description = '/^[a-zA-Z\s]<em>mysubstring[a-zA-Z\s]</em>$/'</p>
  
  <p>But it is not working for some reason. Any idea? </p>