{"content":"I'm creating an extremely challenging regex pattern by combining multiple advanced techniques:\n1. Nested structures requiring balanced delimiters\n2. Very similar patterns where only subtle differences determine matches\n3. Complex validation codes with specific format requirements\n4. Items requiring negative lookahead/lookbehind to properly match\n5. Patterns with conditional elements and varying whitespace\n6. Mixed formats that require careful pattern construction\n7. Items with special characters needing precise escaping\n8. Similar-looking patterns with crucial differences\n\nThis challenge requires understanding of advanced regex concepts including lookarounds, non-greedy quantifiers, boundary assertions, and character class negations.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely challenging regex pattern by combining multiple advanced techniques:\\n1. Nested structures requiring balanced delimiters\\n2. Very similar ... (truncated)