improve the pattern to include situations of no space and no new line for adding top_hide

app.py

@@ -24,7 +24,7 @@ def fix_imgs_with_hide(src, dst):
         add_hide_top = """\n\n[details='Images']"""
         return     f'{x.group(1)}{add_hide_top}{x.group(2)}'
 
-    result_top_hide = re.sub(r'([\.|\?|\w|\`][\s]+]?)([\n]+!\[[^|]+\|\S+\]\(\S+\))', add_hide_top_func, result_no_hide)
+    result_top_hide = re.sub(r'([\.|\?|\w|\`][\s]*)([\n]*!\[[^|]+\|\S+\]\(\S+\))', add_hide_top_func, result_no_hide)
 
     def add_hide_bottom_func(x):
         add_hide_bottom = """[/details]\n\n"""