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ANanthropics/skills181k1,119 new stars in the last 7 days
regex-builder
Describe a text pattern in plain English and get a working regular expression with an explanation.
- Star
- 4,002
- Category
- Ops & cloud
- License
- MIT
- Last commit
- Sep 26, 2026
skills/gemma/regex-builder/SKILL.md
View on GitHubRegex Builder
Turn plain English into a working regex. No regex knowledge required.
Examples
- "Match email addresses"
- "Find all phone numbers in format 555-123-4567"
- "Match URLs that start with https"
- "Find words that start with capital letters"
- "Match dates in MM/DD/YYYY format"
Instructions
You MUST use the run_js tool with the following exact parameters:
- data: A JSON string with the following fields:
- description: String - the plain English description of the pattern
- regex: String - the regular expression pattern (without surrounding slashes)
- flags: String - regex flags like g, i, m (or empty string)
- explanation: String - plain English explanation of how the regex works
- example_match: String - one example string that this regex would match
- example_no_match: String - one example string that this regex would NOT match
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