Web Reference: It's not directly anwering the search post but these details can make a difference and they both caught me while attempting a script to merge text from combinations of files. Jul 23, 2025 · In this article, we'll explore different methods for searching a string in text files using Python. Example: Let’s say we have a string "GEEK FOR GEEKS" and we want to search for the word "FOR" in it. Apr 10, 2024 · Use the not in operator to check if a string does not contain a given substring, e.g. if substring not in string:. The not in operator will return True if the substring is not contained in the string and False otherwise. The code for this article is available on GitHub.
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