title: KUSTO WILDCARD character to Trim or Replace
body: <p>I am looking for a wild card character which could be used to trim or replace a matching string in KUSTO.</p>
  <p>A simple example:</p>
  <p>let string_to_trim = @&quot;https://bing.com&quot;;
  let substring = &quot;.com&quot;; // <strong>---&gt; Need a wildcard to use like let substring = &quot;.{wildcard char}&quot;;</strong></p>
  <p>print string_to_trim = string_to_trim, trimmed_string = trim(substring,string_to_trim)</p>
  <p>Result: https://bing</p>