python regular expression compile example

Title: Python Regular Expression Compile: A Comprehensive Tutorial with Code Examples
Performance Optimization: Compiling a regular expression pattern once and reusing the compiled object is more efficient than recompiling the pattern for each match.
Readability: By compiling the regex pattern separately, your code becomes more readable and modular.
Maintainability: If you need to make changes to the pattern, you only need to update it in one place.
In the third example, notice how we reuse the compiled pattern (pattern3) for multiple matches.
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