Python

Validating Strings as Alphanumeric Using Regex in PythonNew!!

2025-04-29

To validate alphanumeric characters using regular expressions, use ^[a-zA-Z0-9]+$. This pattern matches strings composed of one or more alphanumeric characters, such as "3DModel".

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Retrieve a substring from the end in Python

2025-02-26

To extract a substring in Python, use slicing. By specifying a negative index as the starting index, you can extract a substring from the end of the string.

photo by：Justin Kauffman

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