Regex Explainer
Paste any regex pattern and get a plain-English explanation: token-by-token breakdown of anchors, character classes, quantifiers, groups, lookaheads and lookbehinds; 2-3 strings that match and 2-3 that don't; and the most common gotcha to watch for (greedy vs lazy, escaping, anchoring). Works for PCRE, JavaScript, Python, Go, and Ruby regex flavors. Powered by Amazon Nova Micro on AWS Bedrock.
Token-by-token breakdown, what the regex matches, 2 example matches, 2 example non-matches, and one common gotcha to watch for.
What you get back
- • Token-by-token breakdown of anchors, classes, quantifiers
- • Named groups and capture groups called out
- • Lookaheads and lookbehinds explained
- • Example strings that match and don't match
- • One common gotcha (greedy vs lazy, escaping, etc.)
- • Works for PCRE, JS, Python, and Go regex flavors
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About Regex Explainer
Paste any regex, get a token-by-token breakdown, sample matches, and common gotchas. Free, no login. This tool runs entirely in your browser — no data is sent to any server. Your content stays private and secure. MarkdownMe provides free, fast, and reliable Markdown tools for developers, writers, and anyone who works with Markdown.