diff --git a/shop/cartoption.php b/shop/cartoption.php
index d1a89f5d7..37027d780 100644
--- a/shop/cartoption.php
+++ b/shop/cartoption.php
@@ -1,7 +1,7 @@
 <?php
 include_once('./_common.php');
 
-$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#i';
+$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#';
 $it_id  = preg_replace($pattern, '', $_POST['it_id']);
 
 $sql = " select * from {$g5['g5_shop_item_table']} where it_id = '$it_id' and it_use = '1' ";
diff --git a/shop/itemoption.php b/shop/itemoption.php
index 6e7c44fe3..369864e2a 100644
--- a/shop/itemoption.php
+++ b/shop/itemoption.php
@@ -1,7 +1,7 @@
 <?php
 include_once('./_common.php');
 
-$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#i';
+$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#';
 
 $it_id  = preg_replace($pattern, '', $_POST['it_id']);
 $opt_id = preg_replace($pattern, '', $_POST['opt_id']);
diff --git a/shop/orderitemcoupon.php b/shop/orderitemcoupon.php
index d28f5d61a..588e1c0fe 100644
--- a/shop/orderitemcoupon.php
+++ b/shop/orderitemcoupon.php
@@ -5,7 +5,7 @@ if($is_guest)
     exit;
 
 // 상품정보
-$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#i';
+$pattern = '#[/\'\"%=*\#\(\)\|\+\&\!\$~\{\}\[\]`;:\?\^\,]#';
 $it_id  = preg_replace($pattern, '', $_POST['it_id']);
 $sw_direct = $_POST['sw_direct'];
 $sql = " select it_id, ca_id, ca_id2, ca_id3 from {$g5['g5_shop_item_table']} where it_id = '$it_id' ";