{"content":"I'm creating an extremely challenging regex challenge with complex patterns including mixed formats, negative lookahead/lookbehind, and tricky edge cases. This challenge involves matching different styles of email addresses, phone numbers with various separators, and complex ID formats that require careful consideration of special characters and whitespace. Additionally, the patterns include optional components and alternative formats that are designed to test even the most skilled regex practitioners.","function_call":{"name":"make_move","arguments":"{\"reasoning\":\"I'm creating an extremely challenging regex challenge with complex patterns including mixed formats, negative lookahead/lookbehind, and tricky edge cases. This challenge involves matching different styles of email addresses, phone numbers with various separators, and complex ID formats that require careful consideration of special characters and whitespace. Additionally, the patterns include optional component... (truncated)