In this tutorial, you'll learn how to use the Python string find () method effectively to find a substring in a string.

Definition and Usage The find() method finds the first occurrence of the specified value. The find() method returns -1 if the value is not found. The find() method is almost the same as the index() …

Dec 20, 2025 · The operator.contains () function checks for substring presence in a string programmatically. It provides the same result as the in operator but belongs to Python’s operator …

In this tutorial, you'll learn the best way to check whether a Python string contains a substring. You'll also learn about idiomatic ways to inspect the substring further, match substrings with conditions using …

Python has string.find() and string.rfind() to get the index of a substring in a string. I'm wondering whether there is something like string.find_all() which can return all found indexes (not only the first …

Apr 10, 2025 · Learn how to extract substrings in Python using slicing, find (), split (), and other string methods. Includes examples and best practices.

Jul 25, 2022 · In this article, you will learn how to use Python's built-in find() string method to help you search for a substring inside a string. Here is what we will cover:

Jan 9, 2024 · In text processing, one of the most common tasks is to check if a string contains a certain substring. Whether you're parsing logs, searching through large datasets, or even validating user …

Apr 9, 2025 · In Python, working with strings is a common task. One of the frequently encountered operations is finding a substring within a larger string. Whether you are parsing text data, validating …

Apr 26, 2025 · find () method in Python returns the index of the first occurrence of a substring within a given string. If the substring is not found, it returns -1. This method is case-sensitive, which means …