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.

Apr 9, 2025 · This blog post will explore the various ways to find substrings in strings in Python, covering fundamental concepts, usage methods, common practices, and best practices.

How to Get All Substrings of a String in Python A substring is any contiguous sequence of characters within a string. Extracting all possible substrings is a fundamental operation used in text searching, …

Aug 29, 2025 · In this comprehensive guide, we’ll explore seven different methods to check if a string contains a substring in Python, complete with practical examples, performance considerations, and …

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 …