diff --git a/src/files/get_file_extension.ts b/src/files/get_file_extension.ts
index 2aee02e..52e7921 100644
--- a/src/files/get_file_extension.ts
+++ b/src/files/get_file_extension.ts
@@ -1,8 +1,8 @@
 /**
- * This function takes in a path to a file and returns the file extension.
+ * This function takes in a path to a file and returns the file extension (without the `.`).
  * @param path The path to the file
  * @returns The file extension
  */
 export function getFileExtension(path : string) : string {
-    return path.replace(/^.*?((?:\.\w+)+)$/, (_, extension) => extension);
+    return path.replace(/.+\.([^/.]+$)/, (_, extension) => extension);
 }