How to Retrieve the Last 4 Characters of a String in Various Programming Languages

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Summary: Learn how to easily extract the last 4 characters from a string using different programming languages such as Python, JavaScript, Java, and more. This guide provides clear examples and explanations to help you understand string manipulation.
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How to Retrieve the Last 4 Characters of a String in Various Programming Languages

String manipulation is a common task in programming, and one of the frequent requirements is extracting a specific part of a string. In this post, we will focus on how to retrieve the last 4 characters of a string using several popular programming languages.

Python

In Python, strings are sequences of characters, and you can use slicing to obtain a substring. To get the last 4 characters of a string, you can use negative indexing.

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JavaScript

In JavaScript, you can use the slice method to extract a portion of a string. Here’s how you can get the last 4 characters:

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Java

Java provides several ways to manipulate strings. One straightforward approach is using the substring method.

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C

In C, you can use the Substring method of the String class to achieve the same result.

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PHP

PHP offers various functions for string manipulation, with substr being a commonly used one.

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Ruby

In Ruby, you can use negative indices with the [] method to extract parts of a string.

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Conclusion

Extracting the last 4 characters of a string is a simple task in most programming languages, thanks to built-in methods and functions designed for string manipulation. Whether you are working with Python, JavaScript, Java, C, PHP, or Ruby, the examples above should help you understand how to achieve this task efficiently.