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	<title>fodi.me &#187; php</title>
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		<title>Validar um endereço email com PHP</title>
		<link>http://fodi.me/php/validar-um-endereco-email-com-php/</link>
		<comments>http://fodi.me/php/validar-um-endereco-email-com-php/#comments</comments>
		<pubDate>Tue, 17 Mar 2009 13:58:43 +0000</pubDate>
		<dc:creator>NarG</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[programação]]></category>

		<guid isPermaLink="false">http://fodi.me/?p=162</guid>
		<description><![CDATA[Um pequeno código para validar endereços email com php que poderá ser incluído numa função ou classe e retornar o valor verdadeiro ou falso, caso o email esteja conforme. Codigo: &#60;?php $email = "email@sapo.pt"; if(eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$", $email)) {   echo "Valido."; } else {   echo "Invalido."; } ?&#62; No PHP &#62; 5 existe já uma função para validar variaveis, que é filter_var($email, [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignleft size-thumbnail wp-image-163" style="margin-left: 10px; margin-right: 10px;" title="php" src="http://fodi.me/wp-content/uploads/2009/03/php-150x96.png" alt="php" width="120" height="77" />Um pequeno código para validar endereços email com php que poderá ser incluído numa função ou classe e retornar o valor verdadeiro ou falso, caso o email esteja conforme.</p>
<p>Codigo:<br />
<span id="more-162"></span></p>
<pre><code>
<span style="color: #000000;"><span style="color: #0000bb;">&lt;?php
$email </span><span style="color: #007700;">= </span><span style="color: #dd0000;">"email@sapo.pt"</span><span style="color: #007700;">;
if(</span><span style="color: #0000bb;">eregi</span><span style="color: #007700;">(</span><span style="color: #dd0000;">"^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$"</span><span style="color: #007700;">, </span><span style="color: #0000bb;">$email</span><span style="color: #007700;">)) {
  echo </span><span style="color: #dd0000;">"Valido."</span><span style="color: #007700;">;
} else {
  echo </span><span style="color: #dd0000;">"Invalido."</span><span style="color: #007700;">;
}
</span><span style="color: #0000bb;">?&gt;</span></span></code><span class="ds-pathway">

</span></pre>
<p>No PHP &gt; 5 existe já uma função para validar variaveis, que é<br />
<strong>filter_var($email, FILTER_VALIDATE_EMAIL)<br />
</strong>Que retorna verdadeiro se fôr valido e false caso contrario<strong></strong></p>
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