Set

Original expression

-[\uFF00-\uFFEF] Copy

Normalized

[\u0000-\uFEFF\uFFF0-\u{10FFFF}] Copy

Perl

[\x00-\x{FEFF}\x{FFF0}-\x{10FFFF}] Copy

Complemetary

Characters (1113872)

• U+0000
• ...
•  U+FEFF
• ￰ U+FFF0
• ...
• 􏿿 U+10FFFF