{"content":"I'm creating an extremely challenging regex pattern matching task that involves multiple advanced regex techniques in a single expression. The text includes various complex formats: a detailed email with a plus sign and subdomain requiring careful escaping, dates in different formats (slashes and dash with a month abbreviation), a telephone number with international and optional components like the zero in parentheses, a URL with query parameters containing special characters, an invoice format with embedded date and identifiers separated by mixed characters, and an IPv6 address. The text also includes distractors that are similar but should not be matched, challenging regex experts with potential pitfalls including overlapping formats, required lookahead/lookbehind logic, and careful variable whitespace handling. The regex must precisely capture only the target items and not the distracting ones. This challenge should force the solver to use advanced regex techniques like ... (truncated)