我有一個字串 誰做了什么？只有當 DID 是大寫字母時，我才能在下面的正則運算式中添加什么來搜索？
output = re.findall(
r"did", # not adding DID here as the output maycome with did or DID but i need to check only when its all caps
searchstring,
)
uj5u.com熱心網友回復：
您可以通過以下方式找到所有大寫字母單詞：
import re
txt = "who did DID what Did DiD?"
result = re.findall(r"\b[A-Z] \b", txt)
print(result)
輸出：
['DID']
uj5u.com熱心網友回復：
我有一個字串 誰做了什么？只有當 DID 是大寫字母時，我才能在下面的正則運算式中添加什么來搜索？
output = re.findall( r"did", searchstring, )
如果要搜索大寫字母，只需搜索大寫字母：
output = re.findall(
r"DID",
searchstring,
)
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