Python：从字符串中提取关键字

Question

Hey Guys I am searching for a fast/efficient way to extract keywords (defined in a list) from a String (in a Dataframe) without being case sensitive or dependent on " " chars:

keys = ['I', 'love', 'Cookies']

String from df= "xxxxxxxxIxx xx cookies"

result should by either ['I'] or ['I', 'Cookies']

I am currently using f"({'|'.join(keys)}) which is case sensitive. What would you recommend for long strings in even longer dataframes:)

Thanks in advance

Answer 1

Working code as per your inputs:

my_str ="xxxxxxxixxx xx cookhes"
my_list = ["I", "love", "Cookies"]
if any(substring.casefold() in my_str.casefold() for substring in my_list):
    print('Contains element')
else:
    print('Not contain any element.')

More info on the following answer from StackOverflow:Case insensitive 'in'