diff --git a/resources/js/helpers.js b/resources/js/helpers.js
index 8f46d76..6f223af 100644
--- a/resources/js/helpers.js
+++ b/resources/js/helpers.js
@@ -129,13 +129,13 @@ async function openGrasscutterFolder() {
 
 // https://www.jimzhao.us/2015/09/javascript-detect-chinese-character.html
 function hasForeignChars(str) {
-  let re1 = /^[A-Za-z\d,.?;:\\/'"!$%() ]*/g
+  let re1 = /[^a-z0-9_.,-\\/: ]/g
   str = str.replace(/\s/g, '')
 
   debug.log('Checking for foreign chars in path: ', str)
   debug.log('Path includes foreign chars? ', re1.test(str))
 
-  return !re1.test(str)
+  return re1.test(str)
 }
 
 function openDialog(title, message, negBtn = false, affirmBtn = closeDialog) {