welove | We love WeLove
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kandi X-RAY | welove Summary
We love WeLove
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QUESTION
I have a list of regex {"WeLove*", "Arizona.*hot", "Mahi*"}
and a dataFrame with certain values that might match with one of the Regex expressions from the regex list.
I am trying to find out for each regex how many matches are there in the data frame?
...ANSWER
Answered 2021-Jan-26 at 07:26You can use coalesce
along with when
function to assign a regex_group
for each row based on the regex_list
values, then group by the created group column and count :
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