7 Ways How to Check if a Python String Contains a Substring

Working with strings is a common task in Python. You often need to figure out whether a string contains another string.

The simplest methods to check if a Python string contains a substring include the ‘in’ operator, the find() function, and the index() method. More complex scenarios can be solved with regular expressions or an external library like Pandas.

This article shows you:

• four simple methods

• two more complex regex functions

• a method using the Pandas library

You’ll learn each technique through examples of their syntax and usage.

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