Longest common substring

Nearby workflows on Toolcore

• Levenshtein distance — Compare two strings for edit distance and similarity score—local Levenshtein calculator. for the next text or markup step in your edit loop.
• Jaccard similarity — Word-token Jaccard index between two texts—optional case folding, in your browser. for the next text or markup step in your edit loop.
• Overlapping lines — List lines that appear in both multiline texts. for the next text or markup step in your edit loop.
• Plain text diff — Compare two text drafts side by side—unified view, sample pre-filled, client-side. for the next text or markup step in your edit loop.

Common use cases

• Longest common substring for quick local checks without uploading data.
• Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

• Unexpected input shape

  See the intro and how-to notes for accepted formats.

FAQ