L (Letter) Lu (uppercase), Ll (lowercase), Lt (titlecase), Lm (modifier), Lo (other)
M (Mark) Mn (non-spacing), Mc (spacing combining), Me (enclosing), 0 (combining class 0)
N (Number) Nd (decimal digit), Nl (letter), No (other)
P (Punctuation) Pc (connector), Pd (dash), Ps (open), Pe (close), Pi (initial quote), Pf (final quote), Po (other)
S (Symbol) Sm (math), Sc (currency), Sk (modifier), So (other)
Z (Separator) Zs (space), Zl (line), Zp (paragraph)
C (Other) Cc (control), Cf (format), Co (private use), Cn (not assigned)
X (No data) Characters for which no data is available in the database. They are probably CJK or Tangut characters, which all have a class of Letter.
This tool analyses text, finds all the characters used, and shows one instance of each character, grouped by Unicode general category properties.
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The icon opens a separate window with an app that displays basic information about the characters for that row.
Updated 21 April, 2021