/regex-builder

name: regex-builder
description: Describe a text pattern in plain English and get a working regular expression with an explanation.

Regex 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