define( function() { "use strict"; // rtagName captures the name from the first start tag in a string of HTML // https://html.spec.whatwg.org/multipage/syntax.html#tag-open-state // https://html.spec.whatwg.org/multipage/syntax.html#tag-name-state return ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); } );
