1 <?php 2 function match_email($email) { 3 $pattern = "/\w+@(\w|\d)+\.\w{2,3}/i"; 4 preg_match($pattern, $email, $matches); 5 return $matches; 6 } 7 8 $email1 = "test@qq.com"; 9 $email2 = "test@163.com"; 10 $email3 = "163@qq163.com"; 11 $email4 = "test%@q..q.com"; 12 var_dump(match_email($email1)); 13 var_dump(match_email($email2)); 14 var_dump(match_email($email3)); 15 var_dump(match_email($email4)); 16 ?>
输出
array(2) { [0]=> string(11) "test@qq.com" [1]=> string(1) "q" } array(2) { [0]=> string(12) "test@163.com" [1]=> string(1) "3" } array(2) { [0]=> string(13) "163@qq163.com" [1]=> string(1) "3" } array(0) { }
