Python3 regex not changing to

Title: Handling Escape Characters in Python 3 Regex: Preserving " as "
Introduction:
Regular expressions (regex) are a powerful tool for pattern matching and manipulation of strings in Python. However, when working with patterns that include escape characters, it's essential to understand how Python handles them. One common issue is the transformation of \" to a double quote ("), which may not always be desirable. In this tutorial, we'll explore how to use Python 3 regex to avoid this transformation and provide a code example to illustrate the solution.
Problem Overview:
By default, Python interprets escape characters within strings, including those used in regular expressions. The escape sequence \" is treated as a literal double quote ("). While this behavior is often convenient, there are cases where you may want to preserve the \" sequence in your regex pattern without it being transformed.
Solution:
To address this issue, we can leverage raw strings in Python, denoted by the 'r' prefix before the string. Raw strings treat backslashes as literal characters, preventing the transformation of \" to ". Let's look at a code example to illustrate this solution.
Code Example:
Explanation:
In the problematic pattern, r'\"pattern\"', the 'r' prefix indicates a raw string, preserving the \" sequence.
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