{"text": "Below is a textured, multiline text with valid items and distractors to test advanced regex skills:\n\n1) Email with quotes and special chars: \"Complex.\\\"Quote\\\"@strange-domain.org\"\n2) Another tricky email: \"Name+tag(123)@example.co.uk\"\n3) IPv6-based email: \"User@[IPv6:Fd01:abcd:ef::1234]\"\n4) Mailto link: mailto:User.Name@domain.com?subject=Test\n5) Internationalized domain URL: https://xn--e1afmkfd.xn--p1ai/path?param=%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82#anchor\n6) Custom scheme: myapp://auth?token=AbCdEfGh012345\n7) Leap-day date/time with offset: 2028-02-29T23:59:59.999999-11:30\n8) Another leap-day date/time with slash format: 29/02/2028 23:59:59.999 +11:00\n9) Complex object notation: object.path[10]['complex key'][ \"nested\" ].value\n10) Nested function call: compute((1+2)*3, { \"items\":[1,2,{\"val\":\"x\"}]}, callback => handle(\"done\"))\n11) Multiline comment with special regex chars:\n/* Multiline\\n   comment with ( ) [ ] ^ $ . * + ? { } \\\\n special characters  */\n12) Complex phone with extension: Phone: +1 (202) 555-0199 #123\n13) FTP with credentials: ftp://user:pass@host.domain:2121/some/dir?mode=active\n14) Mixed case email domain: MixedCaseEmail@Sub.Domain.NET\n15) Display name with angles: Name With Spaces <name.with.spaces@domain-space.org>\n16) IDN email with Cyrillic TLD: C0mpl3x_TLD@domain.рф\n\nDistractors / near misses:\n- Name@domain@mismatch (invalid email)\n- myapp://auth (missing token)\n- 2028-02-30T10:00:00Z (nonexistent date)\n- \"Wrong\\\"Quote@somewhere (unclean quotes)\n- (202) 555-XYZ (not a real phone extension)\n\nGood luck building a single pattern to match all valid target items and exclude the near misses!\n", "targetItems": ["\"Complex.\\\"Quote\\\"@strange-domain.org\"", "\"Name+tag(123)@example.co.uk\"", "\"User@[IPv6:Fd01:abcd:ef::1234]\"", "mailto:User.Name@domain.com?subject=Test", "https://xn--e1afmkfd.xn--p1ai/path?param=%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82#anchor", "myapp://auth?token=AbCdEfGh012345", "2028-02-29T23:59:59.999999-11:30", "29/02/2028 23:59:59.999 +11:00", "object.path[10]['complex key'][ \"nested\" ].value", "compute((1+2)*3, { \"items\":[1,2,{\"val\":\"x\"}]}, callback => handle(\"done\"))", "/* Multiline\\n   comment with ( ) [ ] ^ $ . * + ? { } \\\\n special characters  */", "Phone: +1 (202) 555-0199 #123", "ftp://user:pass@host.domain:2121/some/dir?mode=active", "MixedCaseEmail@Sub.Domain.NET", "Name With Spaces <name.with.spaces@domain-space.org>", "C0mpl3x_TLD@domain.рф"]}