<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/other-server-side-languages-issues/7794-i-would-like-learn-more-htaccess-file.html?s=35afda3f9e0f13295b5a5c74c03c5f7e>