="code">0b[0-1]+</code>) notations are understood).</li>
<li><code class="code">u</code>: reads an unsigned decimal integer.</li>
<li><code class="code">x</code> or <code class="code"><span class="constructor">X</span></code>: reads an unsigned hexadecimal integer (<code class="code">[0-9a-fA-<span class="constructor">F</span>]+</code>).</li>
<li><code class="code">o</code>: reads an unsigned octal integer (<code class="code">[0-7]+</code>).</li>
<li><code class="code">s</code>: reads a string argument that