node_modules/jquery/src/core/var/rsingleTag.js

define( function() {
	"use strict";

	// rsingleTag matches a string consisting of a single HTML element with no attributes
	// and captures the element's name
	return ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
} );