在PHP中以字符串形式查找电子邮件地址

Question

I wondered if anyone has any idea how to best do this in php.

I have a string in a variable and I want to pull an email address from it (if one exists).

The string could be along the lines of :

"My email address is myemail@mydomain.com and I would appreciate it if you contact me"

I know I can validate if an email is valid or not but wondered how to search a string and extract the email.

IE: I can use filters to validate the email but I am stuck at how to search the string to see if it has an email.

Answer 1

This should work fairly well. You'll get things that appear to be an email address though they may not be valid. Then use filter_var() to check if it's valid.

preg_match('/\b[^\s]+@[^\s]+/', $string, $match);
echo $match[0];

Match:

• A word boundary \\b followed by
• NOT white space [^\\s]+ followed by
• A @ followed by
• NOT white space [^\\s]+