Mail validation PHP regular expression validation mail address

From , 3 Years ago, written in PHP, viewed 54 times.

$string = "first.last@domain.co.uk"; 
if (preg_match(
'/^[^\W][a-zA-Z0-9_]+(\.[a-zA-Z0-9_]+)*\@[a-zA-Z0-9_]+(\.[a-zA-Z0-9_]+)*\.[a-zA-Z]{2,4}$/',
$string)) { 
echo "example 3 successful.";
}
 

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Mail validation PHP regular expression validation mail address

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