Chars.

Character set

Set

Original expression: -[\u4001-\u{10FFFF}]
Normalized: [\u0000-\u4000]
Perl: [\x00-\x{4000}]

Test a string:

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Characters (16385)

Characters Sequences Strings Sets Maps Keys

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This is Charinfo version 7e81c93dbd9c5b6f34e6d91ac3b30a64759de1c9.