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Series.str.contains()
AI & DATA SCIENCE // series-str-contains
Test if pattern or regex is contained within a string of a Series or Index.
Syntax
mask = df['name'].str.contains('keyword', na=False)Examples
Example 01Basic Usage
mask = df['name'].str.contains('keyword', na=False)Best Practices
- Use vectorized operations over iterations (e.g.
iterrows()) for performance. - Always verify memory usage when loading large files.