Fix for Issue #455

Modules/Core/helpers.php

@@ -54,3 +54,24 @@ if (! function_exists('asgard_editor')) {
         return view('core::components.textarea-wrapper', compact('fieldName', 'labelName', 'content'));
     }
 }
+
+if (! function_exists('utf8_slug')) {
+    function utf8_slug($title, $separator = '-')
+    {
+        // Convert all dashes/underscores into separator
+        $flip = $separator == '-' ? '_' : '-';
+
+        $title = preg_replace('!['.preg_quote($flip).']+!u', $separator, $title);
+
+        // Replace @ with the word 'at'
+        $title = str_replace('@', $separator.'at'.$separator, $title);
+
+        // Remove all characters that are not the separator, letters, numbers, or whitespace.
+        $title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', mb_strtolower($title));
+
+        // Replace all separator characters and whitespace by a single separator
+        $title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title);
+
+        return trim($title, $separator);
+    }
+}

Modules/Tag/Traits/TaggableTrait.php

@@ -206,6 +206,6 @@ trait TaggableTrait
      */
     protected function generateTagSlug($name)
     {
-        return str_slug($name);
+        return utf8_slug($name);
     }
 }