Filter and extract lines that match your search pattern. Perfect for log analysis, data filtering, and text processing tasks.
Paste your text and enter a search pattern. Results update instantly.
Extracted lines matching your search pattern.
Line extraction tools filter text by matching patterns. You paste multi-line content, enter a search term, and the tool returns only lines containing that pattern. This workflow helps developers parse logs, researchers filter datasets, and writers organize notes.
The process splits input by line breaks, tests each line against your pattern, and collects matches. Options like case sensitivity and whole-word matching refine results. Regex mode enables complex patterns for advanced filtering.
Common use cases include log analysis, data cleaning, and content organization. Developers extract error lines from logs. Researchers filter survey responses. Writers find mentions of specific topics across documents.
Pattern matching works through regular expressions or simple text search. Simple mode finds literal strings. Regex mode supports wildcards, character classes, and quantifiers. This flexibility handles varied filtering needs.
Line numbers help track source positions. When enabled, results show original line positions. This aids debugging and cross-referencing. Statistics display total lines, matches found, and match percentage for quick assessment.
Performance scales with input size. The tool processes thousands of lines quickly. Browser-based processing keeps data private. No server uploads mean sensitive content stays local.
You paste or type multi-line text. The tool receives all lines including empty ones. Each line break creates a separate entry for processing.
Each line is tested against your search pattern. Options control matching behavior. Case sensitivity, whole words, and regex mode customize the search.
Matching lines are collected and displayed. Statistics show totals and match rates. You copy results or download them for further use.
Extract error lines from application logs. Filter by error codes, timestamps, or keywords to focus debugging efforts.
Filter survey responses, CSV data, or lists by specific criteria. Remove unwanted entries or isolate target subsets.
Find mentions of topics across documents. Organize notes by keywords. Extract relevant sections from large texts.
Enter literal strings to find exact matches. Enable case sensitivity for precise control over matching behavior.
Use regular expressions for complex matching. Wildcards, character classes, and quantifiers handle varied patterns.
Match complete words only. Prevents partial matches within longer words for cleaner results.
Answers to common questions about line extraction and pattern matching.
When enabled, matches require exact letter case. "Apple" matches "Apple" but not "apple". When disabled, matching ignores case differences.
Whole word mode matches complete words only. Searching "cat" matches "cat" but not "category" or "scatter". This prevents partial matches.
Enable regex mode and enter patterns like "^error" for lines starting with "error", or "\d{3}" for lines containing three digits. Learn regex syntax for advanced patterns.
Yes. The tool processes thousands of lines quickly. Browser-based processing handles large inputs without server uploads.
Empty lines are included in processing. If your pattern matches empty content, empty lines appear in results. Most patterns skip empty lines naturally.
Statistics count total lines including empty ones, matching lines found, and match percentage. Numbers update instantly as you change inputs or options.
