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Series.str.extract()
AI & DATA SCIENCE // series-str-extract
Extract capture groups in the regex pat as columns in a DataFrame.
Syntax
df['match'] = df['name'].str.extract(r'([A-Za-z]+)')Examples
Example 01Basic Usage
df['match'] = df['name'].str.extract(r'([A-Za-z]+)')Best Practices
- Use vectorized operations over iterations (e.g.
iterrows()) for performance. - Always verify memory usage when loading large files.