Set

Original expression

-[\u4B01-\uD7FF] Copy

Normalized

[\u0000-\u4B00\uD800-\u{10FFFF}] Copy

Perl

[\x00-\x{4B00}\x{D800}-\x{10FFFF}] Copy

Complemetary

Characters (1078017)

• U+0000
• ...
• 䬀 U+4B00
• � U+D800
• ...
• 􏿿 U+10FFFF