{"slug": "regex101", "name": "regex101", "category": "other", "category_name": "Other software", "description": "", "recommenders": 3, "commenters": 5, "warners": 0, "score": 2.38, "rising": -0.98, "first": "2026-01-05", "latest": "2026-06-08", "why": "", "why_is_quote": false, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 2, "compare": 1, "warn": 0}, "spark": [0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "", "kind": "", "icon": true, "domain": "regex101.com", "github_repo": null, "official_url": "https://regex101.com/", "pricing": "", "aliases": ["regex101", "Regex101"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 763931745, "item_id": 47745734, "url": "https://news.ycombinator.com/item?id=47745734", "by": "davidsojevic", "date": "2026-04-12", "version": null, "stance": "recommend", "quote": "inspired by how easy regex101 is to use", "excerpt": "The most recent project I\u2019ve been working through has been a tool for JSON query evaluation and debugging [0] inspired by how easy regex101 is to use. I couldn\u2019t find any that were as nice or as powerful to use for writing JSONPath queries, so instead of spending an hour crafting and testing them manually, I spent >40 hours building this tool to save myself half an hour. [0]: https://jsonpath101.com/", "context": "", "use_case": "regex testing", "switched_from": "", "story": "Ask HN: What Are You Working On? (April 2026)"}, {"id": 763229009, "item_id": 47701813, "url": "https://news.ycombinator.com/item?id=47701813", "by": "davidsojevic", "date": "2026-04-09", "version": null, "stance": "recommend", "quote": "inspired by the amazing regex101", "excerpt": "I've got a few things on my plate that I bounce between building for fun: 1. A point-and-click adventure game: making it with incredibly heavy technical constraints \"just because\" 2. A coding puzzle game of rapidly escalating difficulty 3. Part of #2 had me needing to craft some JSON Path queries and I felt like there wasn't anything nice to build and test them with, so I built this tool for it (inspired by the amazi", "context": "", "use_case": "", "switched_from": "", "story": "Ask HN: What are you building that's not AI related?"}, {"id": 755819456, "item_id": 47238716, "url": "https://news.ycombinator.com/item?id=47238716", "by": "beart", "date": "2026-03-03", "version": null, "stance": "recommend", "quote": "I love regex101.com", "excerpt": "I love regex101.com, so really happy to see it breaks the mold here.", "context": "", "use_case": "Regex testing", "switched_from": "", "story": "I Audited the Privacy of Popular Free Dev Tools, the Results Are Terrifying"}, {"id": 743957777, "item_id": 46497361, "url": "https://news.ycombinator.com/item?id=46497361", "by": "fainpul", "date": "2026-01-05", "version": null, "stance": "recommend", "quote": "here are a few things I enjoy using", "excerpt": "Nothing is perfect, but here are a few things I enjoy using: https://www.geogebra.org/calculator https://regex101.com/ https://gchq.github.io/CyberChef/ https://www.figma.com https://www.affinity.studio Any spreadsheet program Apple's Spotlight, GNOME's similiar thing (don't know the name) I also like Tantacrul's interface design work: https://www.youtube.com/@Tantacrul/videos", "context": "", "use_case": "regex testing", "switched_from": "", "story": "Lessons from 14 Years at Google"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["regex testing", "testing regex"], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=48449187", "title": "Ask HN: What are tools you have made for yourself since the advent of AI", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47741527", "title": "Ask HN: What Are You Working On? (April 2026)", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47700460", "title": "Ask HN: What are you building that's not AI related?", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47274819", "title": "Rgx \u2013 a terminal regex tester with live matching and 3 engines", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47237861", "title": "I Audited the Privacy of Popular Free Dev Tools, the Results Are Terrifying", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46551044", "title": "What Happened to WebAssembly", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {"recommend": 1, "neutral": 1}, "2026-02": {}, "2026-03": {"recommend": 1, "compare": 1}, "2026-04": {"recommend": 1}, "2026-05": {}, "2026-06": {"neutral": 1}, "2026-07": {}, "2026-08": {}, "2026-09": {}, "2026-10": {}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 775264098, "item_id": 48454006, "url": "https://news.ycombinator.com/item?id=48454006", "by": "davidsojevic", "date": "2026-06-08", "version": null, "stance": "neutral", "quote": "the same way that I would on regex101", "excerpt": "The most comprehensive tool I've built so far was a JSONPath playground [0] when I was working on a game where I found myself writing a fair bit of JSONPath (well, JSONPath Plus specifically) expressions by hand and wanted to be able to test them out in the same way that I would on regex101 when writing regular expressions. I realistically probably would have only saved myself less than an hour of crafting those expr", "context": "", "use_case": "Regex testing", "switched_from": "", "story": "Ask HN: What are tools you have made for yourself since the advent of AI"}, {"id": 763931745, "item_id": 47745734, "url": "https://news.ycombinator.com/item?id=47745734", "by": "davidsojevic", "date": "2026-04-12", "version": null, "stance": "recommend", "quote": "inspired by how easy regex101 is to use", "excerpt": "The most recent project I\u2019ve been working through has been a tool for JSON query evaluation and debugging [0] inspired by how easy regex101 is to use. I couldn\u2019t find any that were as nice or as powerful to use for writing JSONPath queries, so instead of spending an hour crafting and testing them manually, I spent >40 hours building this tool to save myself half an hour. [0]: https://jsonpath101.com/", "context": "", "use_case": "regex testing", "switched_from": "", "story": "Ask HN: What Are You Working On? (April 2026)"}, {"id": 763229009, "item_id": 47701813, "url": "https://news.ycombinator.com/item?id=47701813", "by": "davidsojevic", "date": "2026-04-09", "version": null, "stance": "recommend", "quote": "inspired by the amazing regex101", "excerpt": "I've got a few things on my plate that I bounce between building for fun: 1. A point-and-click adventure game: making it with incredibly heavy technical constraints \"just because\" 2. A coding puzzle game of rapidly escalating difficulty 3. Part of #2 had me needing to craft some JSON Path queries and I felt like there wasn't anything nice to build and test them with, so I built this tool for it (inspired by the amazi", "context": "", "use_case": "", "switched_from": "", "story": "Ask HN: What are you building that's not AI related?"}, {"id": 756397121, "item_id": 47274820, "url": "https://news.ycombinator.com/item?id=47274820", "by": "brevity1swos", "date": "2026-03-06", "version": null, "stance": "compare", "quote": "regex101.com is more capable overall \u2014 more engines, step-through debugging, shareable links, community patterns.", "excerpt": "I built a TUI for testing regex patterns without leaving the terminal. It's most useful if you're working over SSH, in containers, or just prefer not to context-switch to regex101.com. What it does: - Live matching that updates on every keystroke - 3 regex engines (Rust regex, fancy-regex, PCRE2) \u2014 switch with Ctrl+E to compare behavior differences - Capture group highlighting with distinct colors per group - Plain-E", "context": "", "use_case": "testing regex", "switched_from": "", "story": "Rgx \u2013 a terminal regex tester with live matching and 3 engines"}, {"id": 755819456, "item_id": 47238716, "url": "https://news.ycombinator.com/item?id=47238716", "by": "beart", "date": "2026-03-03", "version": null, "stance": "recommend", "quote": "I love regex101.com", "excerpt": "I love regex101.com, so really happy to see it breaks the mold here.", "context": "", "use_case": "Regex testing", "switched_from": "", "story": "I Audited the Privacy of Popular Free Dev Tools, the Results Are Terrifying"}, {"id": 744848592, "item_id": 46553037, "url": "https://news.ycombinator.com/item?id=46553037", "by": "koito17", "date": "2026-01-09", "version": null, "stance": "neutral", "quote": "the regex test site Regex 101 (http://regex101.com/) relies on WebAssembly", "excerpt": "To add to the author's list of examples, the regex test site Regex 101 (http://regex101.com/) relies on WebAssembly. To verify this in Firefox, you can set javascript.options.wasm to false, and you will be instructed to use a browser supporting WebAssembly. If you're willing to risk some safety guarantees, then you can embed SQLite in Go without cgo by using WASM builds of SQLite. In particular, this package: https:/", "context": "", "use_case": "", "switched_from": "", "story": "What Happened to WebAssembly"}, {"id": 743957777, "item_id": 46497361, "url": "https://news.ycombinator.com/item?id=46497361", "by": "fainpul", "date": "2026-01-05", "version": null, "stance": "recommend", "quote": "here are a few things I enjoy using", "excerpt": "Nothing is perfect, but here are a few things I enjoy using: https://www.geogebra.org/calculator https://regex101.com/ https://gchq.github.io/CyberChef/ https://www.figma.com https://www.affinity.studio Any spreadsheet program Apple's Spotlight, GNOME's similiar thing (don't know the name) I also like Tantacrul's interface design work: https://www.youtube.com/@Tantacrul/videos", "context": "", "use_case": "regex testing", "switched_from": "", "story": "Lessons from 14 Years at Google"}]}