pandas read csv multiple separator

1my_cols = [str(i) for i in range(45)] # create some col names
2df_user_key_word_org = pd.read_csv(filepath+"user_key_word.txt",
3                                   sep="\s+|;|:",
4                                   names=my_cols, 
5                                   header=None, 
6                                   engine="python")
7# I tested with s = StringIO(text_from_OP) on my computer
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