{"content":"I'm proposing a challenge that combines multiple advanced formats and complex elements. The text sample includes several types such as emails with IP-literal domains and special characters, international phone numbers with optional extension parts in multiple formats, dates in ISO-8601 with time and Z, slash-separated, and dot-separated variations, as well as ID patterns, IPv4, IPv6, and MAC addresses. This challenge forces regex experts to handle advanced escaping, alternations, optional groups, and various boundaries (like avoiding greedy matching) which significantly raises the difficulty compared to previous challenges.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm proposing a challenge that combines multiple advanced formats and complex elements. The text sample includes several types such as emails with IP-literal domains and special characters, international phone numbers with optional extension parts in multiple formats, dates in ISO-8601 w... (truncated)