--- a/src/eric7/Utilities/MimeTypes.py	Sun Mar 16 12:15:35 2025 +0100
+++ b/src/eric7/Utilities/MimeTypes.py	Sun Mar 16 12:24:41 2025 +0100
@@ -52,6 +52,10 @@
         return (
             mimetype.split("/")[0] == "text"
             or mimetype in Preferences.getUI("TextMimeTypes")
+            or any(
+                fnmatch.fnmatch(filename, pat)
+                for pat in Preferences.getUI("TextFilePatterns")
+            )
             or (
                 Preferences.getUI("TextMimeTypesAskUser")
                 and EricMessageBox.yesNo(