Set

Original expression

-[\u{DFFFE}-\u{E0FFF}] Copy

Normalized

[\u0000-\u{DFFFD}\u{E1000}-\u{10FFFF}] Copy

Perl

[\x00-\x{DFFFD}\x{E1000}-\x{10FFFF}] Copy

Complemetary

Characters (1110014)

• U+0000
• ...
• 󟿽 U+DFFFD
• 󡀀 U+E1000
• ...
• 􏿿 U+10FFFF