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Скачать или смотреть How to Efficiently Replace String and Exclude Certain Changing Integers in Python

  • vlogize
  • 2025-09-30
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How to Efficiently Replace String and Exclude Certain Changing Integers in Python
How to replace string and exclude certain changing integers?pythonpandasstring
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Описание к видео How to Efficiently Replace String and Exclude Certain Changing Integers in Python

Learn how to replace strings in pandas while excluding specific integers. This blog guides you through step-by-step solutions and helpful tips.
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This video is based on the question https://stackoverflow.com/q/63818187/ asked by the user 'SuperAnnuated' ( https://stackoverflow.com/u/14146417/ ) and on the answer https://stackoverflow.com/a/63818306/ provided by the user 'ifly6' ( https://stackoverflow.com/u/2741091/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to replace string and exclude certain changing integers?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

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How to Efficiently Replace String and Exclude Certain Changing Integers in Python

Are you finding it challenging to manipulate string data in Python, specifically when it comes to replacing certain parts of strings while excluding dynamically changing integers? You're not alone! This common problem can be easily solved using Python libraries such as pandas and built-in string manipulation functions. In this guide, we'll dissect the problem and provide you with a clear, step-by-step solution.

The Problem

You have a string of the following format:

[[See Video to Reveal this Text or Code Snippet]]

Your goal is to transform this string into:

[[See Video to Reveal this Text or Code Snippet]]

While doing this, it’s important to note that everything before "Filing Section: Risk" is subject to change. The only parts of the string that remain consistent are:

The first five characters (e.g., AMAT)

The characters associated with the 10Q part which can be found between certain positions in the string.

The Solution

The solution involves using pandas' powerful string manipulation capabilities. We will break it down into clear sections to ensure you understand the process step by step.

Step 1: Slice the String

We can start by slicing the string to extract the required parts. The following commands will help us achieve this:

[[See Video to Reveal this Text or Code Snippet]]

Here’s what this does:

s.str.slice(0, 5): Extracts the first five characters (AMAT).

s.str.slice(15, 19): Extracts the characters at the specified index, where you'll find the 10Q part.

Step 2: Removing Unwanted Integers

To remove certain integers that may clutter the string (like 0000006951 and 20200726), we can use the following line of code:

[[See Video to Reveal this Text or Code Snippet]]

In this snippet:

r'\d{10}_|\d{8}_': This regular expression identifies and removes 10-digit integers followed by an underscore and 8-digit integers followed by an underscore.

.str.replace('_', ' '): Converts any remaining underscores to spaces for better readability.

Step 3: Adding Caution with Underscores

While you might want to replace underscores, it's important to consider that in some cases, underscores may vary in their locations and number. Instead of blindly replacing them, you can manipulate the data by breaking it into separate columns. This approach allows for more control over each part of the string in your DataFrame.

Conclusion

By using slicing and regular expressions, you can effectively replace strings in pandas and exclude certain integers, creating a clean and readable output tailored to your needs. Whether you choose to replace underscores or separate data into multiple columns, the methods provided will enhance your string manipulation capabilities in Python significantly.

If you have any questions or need further clarification, feel free to leave a comment below! Happy coding!

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