【发布时间】:2019-10-24 08:17:41
【问题描述】:
我有一个熊猫数据框 DF
A
["I need PEN"
["something went wrong in LAPTOP"
"I eat MANGO"
"I dont know anything "]
还有一个 Python 列表匹配项 ["BAT","PEN","LAPTOP","I","SCHOOL",,,,]
需要添加一个与列表中的字符串匹配的新列 B
df['B']=df['A'].str.extract("(" + "|".join(matchers) + ")",expand=True)
【问题讨论】:
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