pragmatic_segmenter
A rule-based sentence boundary detection gem for Ruby that works out-of-the-box across many languages.
What is pragmatic_segmenter?
Pragmatic Segmenter is a Ruby library for sentence boundary detection, the task of splitting text into individual sentences. It solves the problem of ambiguous punctuation—like periods in abbreviations or numbers—by using language-specific rules to determine where sentences truly begin and end. It works across many languages and is designed for practical, real-world text processing without requiring machine learning models.
Developers and researchers working on natural language processing, translation tools, or text analysis pipelines who need reliable sentence segmentation in multiple languages. It's particularly useful for those building translation memory systems or processing multilingual documents.
Developers choose Pragmatic Segmenter for its high accuracy on edge cases, broad language support, and rule-based design that works without training data. It outperforms many other segmentation tools on standardized tests and is optimized for translation workflows, making it a robust, ready-to-use solution.
Overview
Pragmatic Segmenter is a rule-based sentence boundary detection gem that works out-of-the-box across many languages.
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