diff --git a/src/Plugin/video_embed_field/Provider/Html5.php b/src/Plugin/video_embed_field/Provider/Html5.php
index f70b260..0daf722 100644
--- a/src/Plugin/video_embed_field/Provider/Html5.php
+++ b/src/Plugin/video_embed_field/Provider/Html5.php
@@ -187,7 +187,7 @@ class Html5 extends ProviderPluginBase {
    * {@inheritdoc}
    */
   public static function getIdFromInput($input) {
-    $pattern = "/\b(http|https):\/\/.*(mp4|ogg|webm)\b/";
+    $pattern = "/\b(http|https):\/\/.*(mp4|ogg|webm)\b/i";
     $matches = array();
     preg_match($pattern, $input, $matches);