正则表达式的Wed验证应用（40）

电子邮件地址的校验

<?<span>php</span><span>/*</span><span> 校验邮件地址</span><span>*/</span><span>function checkMail($email) {</span><span>//</span><span>用户名，由“\w”格式字符、“-”或“.”组成</span>$email_name= <span>"</span><span>\w|(\w[-.\w]*\w)</span><span>"</span><span>;</span><span>//</span><span>域名中的第一段，规则和用户名类似，不包括点号“.”</span>$code_at= <span>"</span><span>@</span><span>"</span><span>;$per_domain</span>= <span>"</span><span>\w|(\w[-\w]*\w)</span><span>"</span><span>;</span><span>//</span><span>域名中间的部分，至多两段</span>$mid_domain= <span>"</span><span>(\.</span><span>"</span> .$per_domain. <span>"</span><span>){0,2}</span><span>"</span><span>;</span><span>//</span><span>域名的最后一段，只能为“.com”、“.org”或“.net”</span>$end_domain= <span>"</span><span>(\.(com|net|org))</span><span>"</span><span>;$rs</span>=<span> preg_match(</span><span>"</span><span>/^{$email_name}@{$per_domain}{$mid_domain}{$end_domain}$/</span><span>"</span><span>,$email);</span><span>return</span> (<span>bool</span><span>)$rs;}</span><span>//</span><span>测试，下面均返回成功</span>var_dump( checkMail(<span>"</span><span>root@localhost</span><span>"</span><span>) );var_dump( checkMail(</span><span>"</span><span>[email protected]</span><span>"</span><span>) );var_dump( checkMail(</span><span>"</span><span>Tom.024-1234@x-power_1980.mail-address.com</span><span>"</span><span>) );</span>?>

URL地址的校验

<?<span>php</span><span>/*</span><span> 校验URL地址</span><span>*/</span><span>function checkDomain($domain){</span><span>return</span> ereg(<span>"</span><span>^(http|ftp)s? ://(www\.)?.+(com|net|org)$</span><span>"</span><span>, $domain);}$rs</span>= checkDomain(<span>"</span><span>www.taodoor.com</span><span>"</span>);<span>//</span><span>返回假</span>$rs= checkDomain(<span>"</span><span>http://www.taodoor.com</span><span>"</span>);<span>//</span><span>返回真</span>?>

电话号码

<?<span>php</span><span>/*</span><span> 校验电话号码</span><span>*/</span><span>function checkTelno($tel){</span><span>//</span><span>去掉多余的分隔符</span>$tel= ereg_replace(<span>"</span><span>[\(\)\. -]</span><span>"</span>, <span>""</span><span>, $tel);</span><span>//</span><span>仅包含数字，至少应为一个6位的电话号（即没有区号）</span><span>if</span>(ereg(<span>"</span><span>^\d+$</span><span>"</span><strong style="color:transparent">本&文来源gao@daima#com搞(%代@#码网@</strong><textarea>搞gaodaima代码</textarea><span>, $tel)){</span><span>return</span><span>true</span><span>;}</span><span>else</span><span>{</span><span>return</span><span>false</span><span>;}}$rs</span>= checkTelno(<span>"</span><span>(086)-0411-12345678</span><span>"</span>);<span>//</span><span>返回真</span>?>

邮政编码的校验

<?<span>php</span><span>/*</span><span> 校验邮政编码</span><span>*/</span><span>function checkZipcode($code){</span><span>//</span><span>去掉多余的分隔符</span>$code = preg_replace(<span>"</span><span>/[\. -]/</span><span>"</span>, <span>""</span><span>, $code);</span><span>//</span><span>包含一个6位的邮政编码</span><span>if</span>(preg_match(<span>"</span><span>/^\d{6}$/</span><span>"</span><span>, $code)){</span><span>return</span><span>true</span><span>;}</span><span>else</span><span>{</span><span>return</span><span>false</span><span>;}}$rs</span>= checkZipCode(<span>"</span><span>123456</span><span>"</span>);<span>//</span><span>返回真</span>?>

以上就介绍了正则表达式的Wed验证应用（40），包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。

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