[{"move": {"text": "Here is the data: john.doe@examplemail.com? Sure. Alternative: janet.doe@company-mail.com! Then we noticed: Invalid.John@invalid.com7, so ignore that. Call us at +1 (123) 456-7890 or drop a message on 020-7946-0958. Reserve a table for \"Christmas Eve\" (2023-24-12) or \"Valentine's Day\" (24th Feb. 2023). Coupon codes? A1B2-C3D4, E5F6.G7H8? Expired codes: Q9W8-E7R6-T5Y4. Misc: detective007, emergency_number#911! Verify if someone mistyped.", "targetItems": ["john.doe@examplemail.com", "janet.doe@company-mail.com", "+1 (123) 456-7890", "020-7946-0958", "2023-24-12", "24th Feb. 2023", "A1B2-C3D4", "E5F6.G7H8"]}, "player": "gpt-4o", "reasoning": "I'm designing a highly advanced regex challenge that incorporates multiple layers of complexity involving emails, dates, phone numbers, and tricky edge cases to push the limits of regex. The patterns require combining negative lookarounds, backreferences, and handling complex alternations.", "timestamp": 1742324256022}, {"move": "john\\.doe@examplemail\\.com|janet\\.doe@company-mail\\.com|\\+1 \\(123\\) 456-7890|020-7946-0958|2023-24-12|24th Feb\\. 2023|A1B2-C3D4|E5F6\\.G7H8", "player": "claude 3.7 sonnet (high2)", "reasoning": "To match exactly these 8 items and nothing else, I'm using alternation (|) with each target item listed as a literal pattern. I've carefully escaped special regex characters like dots (.), plus signs (+), and parentheses () to ensure they're matched literally. This approach ensures we only match the exact target strings without capturing any other text in the document. The pattern handles emails, phone numbers, dates, and alphanumeric codes with their specific formats.", "timestamp": 1742324330609}, {"move": {"text": "SECURITY LOG ANALYSIS - INCIDENT #20230615-1\n\nUSER AUTHENTICATION EVENTS:\n[2023-06-15T08:14:22Z] user_123@company.com successfully authenticated from 192.168.1.100 using 2FA\n[2023-06-15T08:14:55Z] user_123@company.com.fake attempted authentication from 203.0.113.42 (BLOCKED)\n[2023-06-15T08:16:30Z] john.doe@example.org successfully authenticated from 192.168.1.101 using password\n[2023-06-15T08:17:45Z] john.doe+test@example.org attempted authentication from 192.168.1.101 (SUSPICIOUS)\n[2023-06-15T08:18:22Z] admin@internal.system.local authenticated from 10.0.0.1 using SSO\n[2023-06-15T09:23:17Z] sarah.jones@trusted-partner.org authenticated from 198.51.100.5 using token\n[2023-06-15T09:42:01Z] not.an.email@invalid@domain.com attempted authentication from 72.16.254.10 (REJECTED)\n[2023-06-15T10:15:42Z] \"security-team\"@company.com authenticated from 192.168.2.5 using hardware-key\n[2023-06-15T11:05:30Z] temp-admin@company.com (expired) attempted authentication from 192.168.1.200 (EXPIRED)\n\nSESSION TOKENS ISSUED:\n[2023-06-15T08:14:22Z] SESSION:af3bc9d2-e894-42fb-9c25-36f9eb77ba41 issued to user_123@company.com (expires 2023-06-15T10:14:22Z)\n[2023-06-15T08:16:30Z] SESSION:5f41b9c7-3251-48e4-a7e1-33b3af43bd8e issued to john.doe@example.org (expires 2023-06-15T10:16:30Z)\n[2023-06-15T08:18:22Z] SESSION:71e9c372-6f91-4a28-bd2e-6ef76408c6a3 issued to admin@internal.system.local (expires 2023-06-16T08:18:22Z)\n[2023-06-15T09:23:17Z] SESSION:d827f19c-42dc-40f8-9b2a-33f5e8ad74b2 issued to sarah.jones@trusted-partner.org (expires 2023-06-15T11:23:17Z)\n[2023-06-15T10:15:42Z] SESSION:a71bc893-ee7d-47b3-90ab-c5e92f2ebc8a issued to \"security-team\"@company.com (expires 2023-06-15T12:15:42Z)\n[2023-06-15T10:17:33Z] SESSION:xyz-not-a-valid-uuid issued to test@example.com (REJECTED - Invalid format)\n[2023-06-15T10:20:55Z] SESSION:d72f8ac24d-fb42-1a9b-33be-4ab5c7d8e90f issued to another@example.com (REJECTED - Invalid format)\n\nAPI ACCESS TOKENS ISSUED:\n[2023-06-15T08:20:15Z] API:eyJhbGciOiJIUzI1N", "targetItems": ["user_123@company.com", "john.doe@example.org", "admin@internal.system.local", "sarah.jones@trusted-partner.org", "\"security-team\"@company.com", "SESSION:af3bc9d2-e894-42fb-9c25-36f9eb77ba41", "SESSION:5f41b9c7-3251-48e4-a7e1-33b3af43bd8e", "SESSION:71e9c372-6f91-4a28-bd2e-6ef76408c6a3", "SESSION:d827f19c-42dc-40f8-9b2a-33f5e8ad74b2", "SESSION:a71bc893-ee7d-47b3-90ab-c5e92f2ebc8a", "API:eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ1c2VyXzEyM0Bjb21wYW55LmNvbSJ9", "API:eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJqb2huLmRvZUBleGFtcGxlLm9yZyJ9", "API:eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJhZG1pbkBpbnRlcm5hbC5zeXN0ZW0ubG9jYWwifQ", "API:eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJzZWN1cml0eS10ZWFtQGNvbXBhbnkuY29tIn0", "192.168.1.100", "192.168.1.101", "10.0.0.1", "192.168.2.5", "192.168.1.200", "/api/data/customer/profile-12345"]}, "player": "claude 3.7 sonnet (high2)", "reasoning": "I'm creating an extremely challenging regex problem that mimics a security log analysis scenario. This will require multiple advanced regex techniques including:\n1. Context-sensitive matching (items that appear similar but should be treated differently based on surrounding text)\n2. Proper handling of special characters and escaping\n3. Complex pattern validation (like proper UUID formats)\n4. Lookbehind/lookahead assertions to filter based on status or context\n5. Multiple pattern types that must all be matched with a single regex\nThe challenge includes \"distractor\" patterns that look similar to valid matches but should be excluded based on subtle differences, making naive approaches fail.", "timestamp": 1742324513608}]