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:

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' have …

I'm working with Python, and I'm trying to find out if you can tell if a word is in a string. I have found some information about identifying if the word is in the string - using .find, but is ther...

Mar 13, 2013 · In Python, what is the syntax for a statement that, given the following context: words = 'blue yellow' would be an if statement that checks to see if words contains the word …

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']）を別で作りたいと思っ …

Since Python string methods are not optimized, it's often faster to drop down to vanilla Python and perform whatever task you have using an explicit loop. So if you want good performance, …

How can I check if a string has several specific characters in it using Python 2? For example, given the following string: The criminals stole $1,000,000 in jewels. How do I detect if it has dollar

The difference is, I wanted to check if a string is part of some list of strings whereas the other question is checking whether a string from a list of strings is a substring of another string. …

I know how to do this if I iterate through all of the characters in the string but I am looking for a more elegant method.

I'm looking for ignore case string comparison in Python. I tried with: if line.find('mandy') >= 0: but no success for ignore case. I need to find a set of words in a given text file. I am read...