ajaxSearch v1.8.4 - Integers Input Error

What is the fix for using integers-with-spaces in the search input that will not throw the error, "At least 3 characters are required for your search term"? A search phrase like "html 5" or "css 3" or "3 3 3" will cause an error; however, "css 2.1", "html 4.1", "css3" and "333" will not cause an error.

By using the advSearch parameter with "exactphrase" the content of the search input field will be searched. So the search of "html 5" should work.
Nevertheless, to be honest, the exactphrase is not fully efficient. This point has been improved with the future release.

Search "the cla" on this demo page. => No results.
Then search "the clash" => 1 result. With AS 1.8.4 or 1.8.5, if you search "the cla" you find "the clash".

Thank you. I thought I had tired the "exactphrase" setting. My mistake.