Search for "does-not-contain" on a DataFrame in pandas Question: I’ve done some searching and can’t figure out how to filter a dataframe by df["col"].str.contains(word) however I’m wondering if there is a way to do the reverse: filter a dataframe by that set’s compliment. eg: to the effect of !(df["col"].str.contains(word)) Can this be done through a …
Is there a short contains function for lists? Question: Given a list xs and a value item, how can I check whether xs contains item (i.e., if any of the elements of xs is equal to item)? Is there something like xs.contains(item)? For performance considerations, see Fastest way to check if a value exists in …
Check if item is in an array / list Question: If I’ve got an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I’m looking for a way to do it within an if statement, so something like this: if [check that item …
Does Python have a string 'contains' substring method? Question: I’m looking for a string.contains or string.indexof method in Python. I want to do: if not somestring.contains(“blah”): continue Asked By: Blankman || Source Answers: If it’s just a substring search you can use string.find(“substring”). You do have to be a little careful with find, index, and …
