Set

Original expression

-[\u5501-\uD7FF] Copy

Normalized

[\u0000-\u5500\uD800-\u{10FFFF}] Copy

Perl

[\x00-\x{5500}\x{D800}-\x{10FFFF}] Copy

Complemetary

Characters (1080577)

• U+0000
• ...
• 唀 U+5500
• � U+D800
• ...
• 􏿿 U+10FFFF