How to Filter and Extract Words from Text
Data cleaning and text analysis often require isolating specific words from a large dataset. Whether you need to extract email addresses, find words starting with a specific letter, or filter out unwanted terms, this Filter Words Tool provides a powerful solution directly in your browser.
Why Use This Tool?
- Instant Client-Side Processing
- Regex Support for Advanced Users
- Multiple Export Formats (List, CSV)
- 100% Privacy - Data Stays Local
Common Use Cases
- Extracting email addresses from logs
- Finding specific terminology in documents
- Cleaning word lists for SEO keywords
- Analyzing text for specific patterns
Understanding Filtering Modes
The tool offers several modes to help you target the exact words you need:
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Contains / Not Contains
Simple keyword filtering. Keeps or removes words that contain a specific substring.
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Starts With / Ends With
Ideal for finding prefixes or suffixes. For example, find all words starting with "un" or ending with "ing".
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Regex (Regular Expressions)
The most powerful mode. Use patterns like
\w+@\w+\.\w+to match emails, or#\w+for hashtags.
Tips for Best Results
When using this tool, remember that it splits text into words based on common delimiters (spaces, punctuation). If you need to filter whole lines or sentences, check out our Filter Text Lines or Filter Sentences tools. For large files, you can simply drag and drop your text file directly onto the input area.