$rfc5335:utext-char-valid
[\u0001-\u0008\u000B-\u000C\u000E\u001F!-\u{10FFFF}]
[\x01-\x08\x0B-\x0C\x0E\x1F!-\x{10FFFF}]
Test a string: Show
Compare with: Show
Complemetary
[Notes] [RFC5335]
The set definition is contained in sets.json data file.
sets.json
U+0001
U+0002
U+0003
U+0004
U+0005
U+0006
U+0007
U+0008
U+000B
U+000C
U+000E
U+001F
U+0021
U+10FFFF