[bugfix] fix qwen3_omni all_linear aligner (modelscope#8105)

Author: Jintao-Huang

swift/megatron/utils/utils.py

@@ -91,7 +91,7 @@ def get_multimodal_target_regex(
         target_modules = [tm for tm in target_modules if tm]
         target_pattern = rf'.*\.({"|".join(target_modules)})' if target_modules else ''
         rejected_pattern = rf'(?!({"|".join(rejected_modules)}))' if rejected_modules else ''
-        res.append(rf'{rejected_pattern}{module}(?=\.){target_pattern}')
+        res.append(rf'{rejected_pattern}{re.escape(module)}(?=\.){target_pattern}')
 
     return rf'^({"|".join(res)})$'
 

swift/utils/transformers_utils.py

@@ -246,7 +246,7 @@ def get_multimodal_target_regex(
         target_modules = [tm for tm in target_modules if tm]
         target_pattern = rf'.*\.({"|".join(target_modules)})' if target_modules else ''
         rejected_pattern = rf'(?!({"|".join(rejected_modules)}))' if rejected_modules else ''
-        res.append(rf'{rejected_pattern}{module}{target_pattern}')
+        res.append(rf'{rejected_pattern}{re.escape(module)}(?=\.){target_pattern}')
 
     return rf'^({"|".join(res)})$'