Set

Original expression

-[\u4901-\uD7FF] Copy

Normalized

[\u0000-\u4900\uD800-\u{10FFFF}] Copy

Perl

[\x00-\x{4900}\x{D800}-\x{10FFFF}] Copy

Complemetary

Characters (1077505)

• U+0000
• ...
• 䤀 U+4900
• � U+D800
• ...
• 􏿿 U+10FFFF