preg_match dot and slash
<p>I would like to add a regular expression character dot <code>.</code> and such a slash <code>/</code>.</p>

<pre><code>    'numericString' =&gt; array(
        'pattern' =&gt; '^[a-zćęłńóśźżA-Z0-9\s]+$',
    )
</code></pre>

<p><strong>How i can do?</strong></p>
