{"content":"I'm creating an extremely challenging regex puzzle by mixing multiple advanced pattern types in one text. This sample includes valid and invalid examples for emails (with plus signs, dashes, proper domain parts), phone numbers in various formats (with country codes, parentheses, dots, and spaces), dates in differing formats (YYYY-MM-DD, DD/MM/YYYY, DD.MM.YYYY with optional time), and even patterns that require backreferences (mirrored sequences and complex IDs). The regex must carefully distinguish valid items from lookalikes, using techniques like negative lookahead/lookbehind and backreferences, making it a significant challenge for even regex experts.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely challenging regex puzzle by mixing multiple advanced pattern types in one text. This sample includes valid and invalid examples for emails (with plus signs, dashes, proper domain parts), phone numbers in various formats (with count... (truncated)