title: Logstash Grok pattern to cut split a string in the log line using regex
body: <p>Below is the field that is part of a log line from the application, where have client-id attributes value that I need to split, delimitter '#'.</p>
  
  <pre><code>client-id=ABC-SYNC_Foo#qrkmguv4p995b3kqk1jaupocl2
  </code></pre>
  
  <p>here is how i want</p>
  
  <pre><code>source=ABC-SYNC_Foo
  id=qrkmguv4p995b3kqk1jaupocl2
  </code></pre>
  
  <p>I need help with regex on how to split it in within a single line.</p>