Apr 18, 2025 · Explanation: isinstance () function checks if a is an instance of the str class or its subclass. If true, it prints “Yes”, otherwise, it prints “No”. type () method checks the exact type of a variable. It returns True only if the variable is strictly a string (str) and not a subclass. It’s simple and works well when you want a strict match.

Jan 30, 2011 · In Python 3.x, the correct way to check if s is a string is. The bytes class isn't considered a string type in Python 3. In Python 2.x, the correct check was. basestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of either str or unicode. @Yarin: No.

To check a string against a set of strings, use in. Here's how you'd do it (and note that if is all lowercase and that the code within the if block is indented one level). One approach:

Aug 20, 2009 · To check if an object o is a string type of a subclass of a string type: isinstance(o, basestring) because both str and unicode are subclasses of basestring .

Jun 20, 2024 · In Python, you can check python substring in string is present using an if-else statement. The if-else statement allows you to conditionally execute different blocks of code based on whether the condition is true or false. Output. Checking Python Substring in …

Jan 6, 2020 · Since Python does not support static type checking (i.e type checking at compile type), if you ever want to check if a Python variable or object is a String or not; we need to use certain methods. Let us understand some of the ways of checking for a string type object. 1. Using isinstance () method.

Feb 22, 2025 · Python offers several advanced techniques for string comparison and manipulation that can be used with if statements. You can use the sorted() function to check if two words are anagrams (words with the same letters in a different order): This code sorts the characters in both words and then compares the sorted versions.

Jul 29, 2024 · To check if a variable is a string in Python, the most Pythonic method is to use the isinstance () function. This function evaluates whether an object is an instance or subclass of a specified class, providing a clear and concise way to verify types. For example, isinstance (name, str) will return True if name is a string.

Mar 2, 2021 · In this tutorial, we'll take a look at how to check if a variable is a string in Python, using the type() and isinstance() functions, as well as the is operator: Check if Variable is a String with type() Check if Variable is a String with is Operator; Check if …

Jun 10, 2024 · Learn how to check if a variable is a string in Python using isinstance() and type() functions. Avoid common mistakes and follow best practices.