allow + in email addresses

diff --git a/email.php b/email.php
index 1af8f92..946edf2 100644 (file)
--- a/email.php
+++ b/email.php
@@ -99,5 +99,5 @@ function email_header($addr) {
 
 # return true if e-mail is formatted like a valid email address
 function valid_email($email) {
-       return ereg('^[0-9a-zA-Z_~.-]+@[0-9a-zA-Z.-]+\.[a-z]+$', $email) !== false;
+       return ereg('^[0-9a-zA-Z_~.+-]+@[0-9a-zA-Z.-]+\.[a-z]+$', $email) !== false;
 }