{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-06-02T15:45:21.849Z","discovery":{"catalog":"https://myaitools.net/tools.json","llmsTxt":"https://myaitools.net/llms.txt","sitemap":"https://myaitools.net/sitemap.xml"},"relatedTools":[{"slug":"json-path-finder","name":"JSONPath Finder","url":"https://myaitools.net/json-path-finder"},{"slug":"crontab-explainer","name":"Crontab Explainer","url":"https://myaitools.net/crontab-explainer"},{"slug":"hex-to-text","name":"Hex to Text","url":"https://myaitools.net/hex-to-text"},{"slug":"binary-to-text","name":"Binary to Text","url":"https://myaitools.net/binary-to-text"},{"slug":"text-to-binary","name":"Text to Binary","url":"https://myaitools.net/text-to-binary"},{"slug":"password-strength-checker","name":"Password Strength Checker","url":"https://myaitools.net/password-strength-checker"},{"slug":"text-to-unicode","name":"Text to Unicode Escapes","url":"https://myaitools.net/text-to-unicode"},{"slug":"unicode-to-text","name":"Unicode Escapes to Text","url":"https://myaitools.net/unicode-to-text"}],"kind":"utility","slug":"regex-tester","name":"Regex Tester","description":"Test a JavaScript regular expression against sample text — see matches, groups, and a replacement preview.","longDescription":"Type a regex pattern and flags, paste some test text, and instantly see every match with its index and captured groups. Optionally supply a replacement string to preview what String.replace would produce. Compiled with the standard JavaScript RegExp engine and run entirely in your browser.","category":"text","categoryName":"Text & Encoding","keywords":["regex tester","regular expression tester","regex matcher","regex playground","javascript regex tester","regex tool","regex online","regex free","regex replace tester","regex group viewer","regex debugger","regex evaluator","regex match preview"],"badge":"Tester","url":"https://myaitools.net/regex-tester","inputs":[{"type":"text","key":"pattern","label":"Pattern","placeholder":"(\\w+)@(\\w+)","monospace":true},{"type":"text","key":"flags","label":"Flags","defaultValue":"g","placeholder":"g, i, m, s, u, y","monospace":true},{"type":"text","key":"testText","label":"Test text","placeholder":"ada@example.com bob@test.org","multiline":true,"monospace":true},{"type":"text","key":"replacement","label":"Replacement (optional)","placeholder":"$1 at $2","monospace":true}],"outputs":[{"key":"matches","label":"Matches","multiline":true},{"key":"totalMatches","label":"Total matches"},{"key":"replacementPreview","label":"Replacement preview","multiline":true}],"invocation":{"webUi":"https://myaitools.net/regex-tester","api":null,"notes":"Currently invoked via the web UI at `webUi`. Inputs are form fields; outputs are structured text values. A remote MCP/REST API is planned."}}