I'm reading something that mentions prefix regular expressions, and sites as an example /^joey/ What's a prefix regular expression? Does that mean it starts with a caret?

in REGEX <code>^</code> at the start of a regex means, "Starts with" <pre class="prettyprint"><code>/^joey/ </code></pre> Would therefore match any string that starts with <code>"joey"</code> such as <code>"joeyjoey"</code> or <code>"joey and jane"</code>