用于电子邮件的php正则表达式

Question

try to make regular expression for mail but it not work

i want to remove all other special character or any char not allowed in email

so except 0-9 a-z A-Z - _ @

every other char must be removed .

$pass = preg_replace ('#[^a-z0-9-_.@]+#i', '', $_GET['e']);

echo $pass ;

if i try 33.php?e=frefr_-+_)(*&^%$#!@edef.fr

i get : " frefr_-_ "

and i must get : [e-mail]

and remove all other char from the email . thank you :)

Answer 1

i find it :P

$email = preg_replace ('#[^a-z0-9-_@.]+#i', '', $_GET['e']);

the "&" and "#" in the link was coused problem in testing .