relax regex

1 files changed, 11 insertions, 4 deletions

diff --git a/tools/processor.php b/tools/processor.php
index 3b96487..e22e70f 100644
--- a/tools/processor.php
+++ b/tools/processor.php
@@ -9,10 +9,18 @@ $baselink = htmlspecialchars($_GET['link']);
 
 $urlexists = url_exists( $baselink );
 if ($urlexists === true) {
-
     // Regex - filter URL id is match[5]
-    // Testing into → https://regexr.com/4ej96
-    $rx = '/^((?:https?:)?\/\/)?((?:www|m)\.)?((?:youtube\.com|youtu.be|invidio\.us|invidiou\.sh|invidious\.snopyta\.org))(\/(?:[\w\-]+\?v=|embed\/|v\/)?)([\w\-]+)(\S+)?$/';
+    $rx = '/^((?:https?:)?\/\/)?                # Optional protocol
+             ((?:www|m)[.])?                    # Optional sub-domain
+             ((?:youtube[.]com|
+                 youtu[.]be|
+                 invidio[.]us|
+                 invidiou[.]sh|
+                 invidious[.]kabi[.]tk|
+                 invidious[.]snopyta[.]org))    # URL supports
+             (\/(?:[\w\-]+\?v=|embed\/|v\/)?)   # Parameters (embed, v)
+             ([\w\-]+)                          # Video id of 11
+             (\S+)?$/mx';
     preg_match($rx, $baselink, $match);
 
     // Testing if id → 11 characters
@@ -21,7 +29,6 @@ if ($urlexists === true) {
     } else {
         header('Location: index.php');
     }
-
 } else {
     header('Location: index.php');
 }