将文本放在一对括号内，但不能放在双方括号内

Question

1. 在下面的文字中我只想得到“七月四日”

Hello, happy [4th of July]. I love the [[firework]]

1. 我有这些文字：

   text = {{Hey, how are you.}} I've watched John Mulaney all night. [[Category: Comedy]] [[Image: John Mulaney]]

我正在尝试删除{{嘿，你好。}}、[[类别：喜剧]]和[[图片：约翰穆拉尼]]。这是我迄今为止尝试过的，但似乎不起作用：

hey_how_are_you = re.compile('\{\{.*\}\}')
category = re.compile('\[\[Category:.*?\]\]')
image = re.compile('\[\[Image:.*?\]\]')
text = hey_how_are_you.sub('', text)
text = category.sub('', text)
text = image.sub('', text)

Answer 1

# 1.
text="Hello, happy [4th of July]. I love the [[firework]]. "
l=re.findall(r"(?<!\[)\[([^\[\]]+)\]",text)
print(l,"\n",l[0])
# 2.
text2=" {{Hey, how are you.}} I've watched John Mulaney all night. [[Category: Comedy]] [[Image: John Mulaney]]"
print(re.sub(r"\{\{.*?\}\}|\[\[\s*Category:.*?\]\]|\[\[\s*Image:.*?\]\]","",text2))

Output:
['4th of July'] 
 4th of July
  I've watched John Mulaney all night.  

In the 1st problem you can use negative lookbehind: (?<!\[)
Your regexp in the 2nd problem works for me. (What error you have?) However, it can be solved in one pass, too.