{"adoption": {"forks": 102, "observed_at": "2026-08-28T04:08:03.817718+00:00", "stars": 3422}, "canonical_url": "https://ross.abutalabs.com/products/regexgen", "card": {"archived": false, "artifact_type": "library", "description": "Generate regular expressions that match a set of strings", "domain": ["developer-tools", "programming-languages"], "enriched": true, "function": ["parser", "developer-tools"], "health_score": 20, "homepage": "https://runkit.com/npm/regexgen", "language": "JavaScript", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["devongovett/regexgen"], "name": "devongovett/regexgen", "platform": ["cli", "cross-platform"], "pushed_at": "2024-02-15T03:01:52+00:00", "repo": "devongovett/regexgen", "stars": 3422, "tags": ["regex-generation", "trie", "dfa-minimization", "javascript", "algorithms", "nodejs"], "topics": [], "urls": [], "use_cases": ["generate a regex from a list of example strings", "build compact regexes for emoji sequences", "automatically create regex for keyword matching", "minimize regular expressions covering a string set", "generate regex patterns from sample data via CLI"], "what_it_is": "A JavaScript library and CLI that generates minimal regular expressions matching a given set of strings, using a trie, DFA minimization, and Brzozowski's algebraic method. It supports Unicode/ES2015 regex output and is installable via npm.", "when_to_avoid": ["you need regexes from examples that generalize beyond the given strings", "you need regex generation in a non-JavaScript runtime", "you need full regex features like backreferences or lookarounds"], "when_to_choose": ["you have a finite set of strings and want a compact regex matching exactly those", "you want programmatic regex generation in Node.js or a quick CLI one-liner", "you need Unicode-aware regexes including emoji ZWJ sequences"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/regexgen", "repo": "devongovett/regexgen", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:03.817718+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:38:08.389566+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4d41e00b78bf4b64739dd3d76d599dd2b2c22a650f606c39d5eb1abca35f6edd", "fetched_at": "2026-08-28T04:08:03.817718+00:00", "kind": "readme", "missing": false, "url": "https://github.com/devongovett/regexgen"}, {"content_hash": "d4fa7d3065d2c301f30a62f67726efb2eec8b344c6988d4a2265c744d1b8541d", "fetched_at": "2026-08-29T09:32:18.462204+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/regexgen"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3543, "days_push": 930, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}