I'm creating an extremely difficult challenge requiring complex pattern matching across multiple domains of text: email addresses with special characters and domain variants, international phone numbers with parenthesis and spaces, dates with various delimiters and orderings, currencies in European format, URLs with subdomains, queries, and fragments, complex IDs with optional prefixes and mixed delimiters, hex codes, time formats with optionally missing seconds, and an IPv6 address. The text mi... (truncated)