php正则

 1 PHP - 验证 E-mail
 2 
 3 $email = test_input($_POST["email"]);
 4 if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/",$email)){
 5   $emailErr = "无效的 email 格式！"; 
 6 }
 7 
 8 
 9 PHP - 验证 URL
10 
11 $website = test_input($_POST["website"]);
12 if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%
13 =~_|]/i",$website)){
14   $websiteErr = "无效的 URL"; 
15 }