How to use regular expressions to match phone numbers and email addresses

This time I will show you how to use regular expressions to match phone numbers, mobile numbers, and email addresses. How to use regular expressions to match phone numbers, mobile numbers, and email addresses? What are the precautions for using regular expressions to match phone numbers, mobile phone numbers and email addresses? The following is a practical case, let’s take a look.

Match all url addresses and link content

Copy the code The code is as follows:

$str = "<a href=&#39;http://www.baidu.com&#39; target=&#39;_blank&#39;>百度</a>http://www<a href=&#39;http://www.sina.com&#39; target=&#39;_blank&#39;>新浪</a>kod"; 
preg_match_all("/<a href=([\"\&#39;])(http:\/\/([\w\d\.])+)[^>]*>(.*?)<\/a>/i", $str, $matches); 
echo "<pre class="brush:php;toolbar:false">"; 
var_dump($matches[2]); 
echo "<br />"; 
var_dump($matches[4]);

Match the email

Copy the code The code is as follows:

$emails = "wangzhanu@126.comha12wangzhanu@163.com"; 
preg_match_all("/([a-z0-9_\-\.]+)@(([a-z0-9]+[_\-]?)\.)+[a-z]{2,3}/i", $emails, $matches); 
var_dump($matches[0]);

Match mobile phone and phone number

Copy the code code as follows:

$tel = "13911112222sf010-44444442dfg18811112222"; 
preg_match_all("/1[3,5,8]{1}[0-9]{1}[0-9]{8}|0[0-9]{2,3}-[0-9]{7,8}(-[0-9]{1,4})?/", $tel, $matches); 
var_dump($matches);

I believe you have mastered it after reading these cases For more exciting methods, please pay attention to php Chinese websiteOther related articles!

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