Regex String Splitter

Split multiline text into an array of chunks using a regular expression pattern delimiter.

How It Works & Processing Standards

Split multiline text into an array of chunks using a regular expression pattern delimiter.

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 String Splitter 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 String Splitter

  1. 1
    Specify Delimiter PatternInput regex delimiter pattern (e.g. [,;\s]+).
  2. 2
    Enter Target TextPaste the text to be split.
  3. 3
    View Split ResultsInspect and copy the resulting array of substrings.

Common Use Cases

  • Tokenizing complex log formats, splitting on variable whitespace, and parsing custom file formats
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