I'm wondering if there is a more efficient way to use the str.contains() function in Pandas, to search for two partial strings at once. I want to search a given column in a dataframe for data …

Aug 9, 2010 · 571 Does Python have a string contains substring method? 99% of use cases will be covered using the keyword, in, which returns True or False:

467 One option is just to use the regex | character to try to match each of the substrings in the words in your Series s (still using str.contains). You can construct the regex by joining the …

May 4, 2016 · "apple is delicious", "banana is delicious", "apple and banana both are delicious". How do I apply AND operator to the str.contains() method, so that it only grabs strings that …

As you can see from the following benchmark (tested on Python 3.12.0 and pandas 2.1.1), str.contains while terse, is about 20% slower than a list comprehension (even with the ternary …

Jan 16, 2015 · df['ids'].str.contains('ball') checks each element of the Series as to whether the element value has the string 'ball' as a substring. The result is a Series of Booleans indicating …

Jan 2, 2023 · Pythonでtrain ['name']という文字列項目に対して、特定の文字列（例えば、"aaa"）を含む場合は"1"、含まない場合は"0"となる項目（train ['test']）を別で作りたいと …

If i want to check whether either of the words exist a ['Names'].str.contains ("Mel|word_1|word_2") works. Can you please suggest something for 'and' condition. I want to check if all the words in …

str.find() and str.index() are nearly identical. the biggest difference is that when a string is not found, str.index() throws an error, like the one you got, while str.find() returns -1 as others' …

Scalable solution for str.contains with list of strings in pandas Asked 7 years, 11 months ago Modified 6 years, 11 months ago Viewed 15k times