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Title: How to Replace All Substrings in Python: A Comprehensive Tutorial
Introduction:
Replacing all occurrences of a substring in a string is a common task in Python programming. The str.replace() method provides a simple and efficient way to achieve this. In this tutorial, we will explore various methods to replace all substrings in Python with code examples.
The str.replace() method is a built-in string method in Python that replaces a specified substring with another substring. Here's a basic example:
Output:
Note: This method only replaces the first occurrence of the substring. To replace all occurrences, we need to use a loop or use other methods.
We can iterate through the string and replace each occurrence of the substring. Here's an example:
Output:
The re module in Python provides more advanced string manipulation capabilities. Here's an example using regular expressions to replace all occurrences:
Output:
Conclusion:
Replacing all substrings in a string is a common operation in Python, and there are multiple approaches to achieve this. The choice of method depends on the specific requirements and the complexity of the task. The str.replace() method is suitable for simple replacements, while using loops or regular expressions provides more flexibility for advanced scenarios.
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