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