Set

Original expression

-[\uFFFE-\u{1097F}] Copy

Normalized

[\u0000-\uFFFD\u{10980}-\u{10FFFF}] Copy

Perl

[\x00-\x{FFFD}\x{10980}-\x{10FFFF}] Copy

Complemetary

Characters (1111678)

• U+0000
• ...
• � U+FFFD
• 𐦀 U+10980
• ...
• 􏿿 U+10FFFF