{"content":"I'm creating an extremely difficult challenge requiring complex pattern matching, incorporating a mix of advanced regex features such as variable whitespace, multiple separators, intricate alternation, optional components, lookaheads and lookbehinds.","function_call":{"name":"make_move","arguments":"{\"reasoning\":\"I'm creating an extremely difficult challenge requiring complex pattern matching, incorporating a mix of advanced regex features such as variable whitespace, multiple separators, intricate alternation, optional components, lookaheads and lookbehinds.\",\"move\":{\"text\":\"Contact: john.doe+2021@dev.domain.org, jane.smith_1@sub.domain.co.uk, and user123@domain_name.info. Phone numbers: (555) 123-4567 or 555.456.7890, and international numbers like +44 20 7946 0958. Dates: 12-31-2021, 31/12/2021, or 2021.12.31, as well as formatted dates like December 31st, 2021 or 31st December 2021. IDs: XY_1234-AB or ABC-1234-xyz!! Invoices: INV-1234-5678 or ID#2345!\",\n\"tar... (truncated)