{"content":"I'm creating an extremely difficult regex challenge that combines multiple advanced patterns in one text sample. The text includes a complex email with special characters and a hyphenated domain, an international phone number with parentheses and spaces, two different date formats (ISO and European), both IPv4 and full IPv6 addresses, a standard UUID with dashes, a base64 encoded string with precise padding, an HTML element that demands a backreference to verify matching tags, a 24-hour time format requiring proper lookahead/lookbehind validation, and a Windows file path with backslashes requiring complex escaping. To increase the challenge, I've added near misses for each target (similar but non-matching samples), ensuring that only the exact target items should be matched. This requires sophisticated use of advanced regex features like precise escaping, grouping, backreferences, and conditional assertions.","function_call":{"name":"make_move","arguments":"{\"reasoning\": ... (truncated)