Regex Match Extractor

Extract all substring matches matching a regular expression into a line-separated list.

How It Works & Processing Standards

Extract all substring matches matching a regular expression into a line-separated list.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Regex Match Extractor is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Regex Match Extractor

  1. 1
    Define RegexInput your regex pattern with appropriate flags (e.g. g).
  2. 2
    Provide Source ContentPaste the multiline source document or log file.
  3. 3
    Copy Extracted MatchesCopy all extracted tokens as a clean list.

Common Use Cases

  • Harvesting URLs, email addresses, UUIDs, or IP addresses from raw log files and data exports
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